Poland's top court ruled on Tuesday that a case involving a minister convicted of abuse of power when fighting graft in a previous role should be reopened, a blow to government hopes that the proceedings could be laid to rest before elections.

Defending champion Iga Świątek needed only 31 minutes to reach the French Open quarter-finals on Monday as her Ukrainian opponent Lesia Tsurenko retired after feeling unwell.

The top European Union court on Monday struck down more elements of Poland's sweeping judicial overhaul for violating the bloc's democracy tenets, the latest criticism of the ruling Law and Justice (PiS) party that faces a national election this autumn.

"Those who demand change have been filled with genuine hope," Civic Platform Donald Tusk said on Monday (June 5), summing up Sunday's anti-government march that went through the streets of Warsaw and other cities. "Nothing will stay the same in Polish politics in coming months," the former prime minister added.

Poland's agriculture minister has received a draft regulation from the European Commission extending a ban on imports of some Ukrainian food products until September 15, he said on Monday. A European Commission spokesperson said no decision had yet been taken.

Iga Świątek underlined her credentials as a firm favourite for the French Open title on Saturday after serving up double bagels yet again with a 6-0 6-0 win, but the world number one refused to be swept up in the "Iga's Bakery" social media craze.

The June 4 march "against soaring prices, thievery and lies, in support of free elections and democratic, European Poland" went through the streets of Warsaw and other cities on Sunday. The event, organized by Civic Platform leader Donald Tusk, marked the 34th anniversary of Poland's first partially-democratic elections after WWII. According to the organizers, approx. 500,000 people took part in the demonstration.

"When I look at the center of Warsaw today and see the unending crowd of people who came to manifest their anger, but also their hope, I realize I long haven't thought the words "this is Poland" match this time and place so well," Civic Platform chairman and former prime minister Donald Tusk said before the June 4 march of opposition supporters.

Top seed Iga Świątek of Poland pulverised Wang Xinyu of China 6-0 6-0 on Saturday with a flawless display to stay firmly on course to successfully defend her French Open title and fire a warning to her rivals. The Pole will face Ukraine's Lesia Tsurenko in the fourth round.

Ukraine was high on the agenda in talks between Canada's Prime Minister Justin Trudeau and Poland's Prime Minister Mateusz Morawiecki in Toronto on Friday (June 2). "Poland and Poles, and by governments, we are deeply involved in supporting Ukraine," Morawiecki said at a press conference after the talks. "At the top of our agenda was the Kremlin's brutal and unjustifiable invasion of Ukraine, which has redrawn the security landscape of Europe after decades of peace and prosperity," Trudeau stressed at the briefing.

"The cosmos is so large, so far, there are almost infinite possibilities that there’s another Earth where life has developed, and who knows – maybe it’s civilized," Administrator of the National Aeronautics and Space Administration (NASA) Bill Nelson told TVN24 BiS on Friday (June 2) during his official visit to Poland. "I’m so happy to be here in Poland, one of our international partners through the European Space Agency. And I think it’s a great future that Poland has in space," the NASA chief added.

A Polish court ruled on Friday that the president was within his rights to pardon a government minister found guilty of abuse of power in a previous post, saving the government from a potentially damaging dismissal in an election year.

Szymon Marciniak will fulfil his role as the referee for the Champions League final after the Pole apologised for participating in an event associated with an extreme-right movement, Europe's soccer governing body UEFA said on Friday.

Poland's President Andrzej Duda said on Friday he would propose amendments to a law on undue Russian influence he signed this week, reacting to criticism that it could result in banning opposition politicians from public office.

Polish Prime Minister Mateusz Morawiecki, a staunch ally of Ukraine, said on Thursday (June 1) his country would help Ukraine train F-16 fighter pilots but that Warsaw had too few Patriot batteries to supply any to Kyiv.

Defending champion Iga Świątek overcame a minor blip to secure her spot in the third round of the French Open with a 6-4 6-0 victory over American Claire Liu on Thursday.

President Andrzej Duda said on Thursday (June 1) he would send the contested "Lex Tusk" to the Constitutional Tribunal before the commission the bill assumes to launch has started its work. The new law, that is meant to create a commission to investigate Russian influence on Poland's internal securuty, has been criticised by the United States, the European Union, and Polish opposition members.

During plenary session, the European Parliament held a debate regarding the recently adopted Polish law that would allow the creation of a commission that would look into Russian interference in Poland's security between 2007 and 2022. "We are dealing with a threat to the foundations of the European Union." said Juan Fernando Lopez Aguilar of Progressive Alliance of Socialists and Democrats. Tineke Strik (Group of the Greens/European Free Alliance) argued that "the Polish ruling party is on a war path against democracy, to win the elections at all costs".

A political video by Poland's ruling nationalist party that uses images of Nazi Germany's Auschwitz death camp is an insult to those who lost their lives there, the museum that preserves the site said on Wednesday. The video was also strongly condemned by Poland's President Andrzej Duda, a former member of PiS.

Poland's General Directorate for National Roads and Highways says it will replace all road signs with the name "Kaliningrad" by mid-June. By the decision of the country's Commission on Standarization of Geographical Names, the city will be called "Królewiec", like it used to be called before WWII.

Poland's top court postponed on Wednesday a crucial hearing on the constitutionality of reforms designed to unblock European Union funds due to an insufficient number of judges, the latest hurdle for Warsaw to get the cash.

World number one Iga Świątek launched her French Open title defence on Tuesday by easing past Spain's Cristina Bucsa 6-4 6-0 to move into the second round.

Lithuania and Poland will seek increased defences for NATO's eastern flank at the alliance's forthcoming summit in Vilnius, Lithuania's defence minister said on Tuesday (May 30), saying there were deficiencies there. "For the first time in our history, NATO will provide full air defence during the Vilnius Summit," said Arvydas Anusauskas, Minister of Defense of Lithuania. His Polish counterpart Mariusz Błaszczak stressed the two countries were "unanimous when it comes to opposing Putin's attempts to rebuild the Russian empire".

The European Commission expressed concerns on Tuesday (May 30) about a new Polish law which could effectively ban individuals from public office with no possibility of appeal to an independent court. Justice commissioner Didier Reynders said it was "impossible to agree on such a system without a real access to justice", and that the Commission would take measures if necessary.

"Poland appreciates our allies' opinions and remarks regarding our national legislation. Underlining strongly that this legislation remains within sovereign national competence of the Polish parliament, we are always ready to clarify and explain all potential misinterpretations and doubts about it," Poland's Ministry of Foreign Affairs said on Tuesday (May 30), in response to a statement released by U.S. Department of State regarding Poland's new legislation known as "Lex Tusk". "Poland highly values the alliance with United States and remains ready to engage in further dialogue through diplomatic channels," the ministry added.

Iga Świątek has her sights set on back-to-back French Open crowns despite a recent thigh injury and the world number one remains optimistic of being fully fit for her opening round match on Tuesday.

"The United States government shares concerns about laws that could appear to allow to the pre-empting of voters ability to vote on the candidates of their choice, outside of a clearly defined process in independent courts," U.S. Ambassador to Poland Mark Brzezinski told TVN24 on Monday (May 29). He was referring to the so-called "Lex Tusk", a controversial bill that would allow to investigate Russian influence in Poland. "We fully appreciate and understand why president Duda has forwarded this bill to the Constitutional Tribunal," the ambassador added.

Poland has imposed sanctions on a further 365 Belarusian citizens over the imprisonment of a journalist of Polish origin in Belarus, the interior ministry said on Monday, amid rising tensions between Warsaw and Minsk.

Poland's president said on Monday he would sign a bill to allow a panel to investigate whether the opposition Civic Platform (PO) party allowed the country to be unduly influenced by Russia and as a result too dependent on its fuel when it was in power.