Information about "Janka's" death was confirmed by writer and friend of Warsaw Uprising veterans Małgorzata Czerwińska-Buczek. She said that Janina Gruszczyńska–Jasiak died on Tuesday at the age of 99.

History Group "Gustaw - Harnaś", which was in constant contact with the veteran, informed about her passing in social media.

"Nurse for 'Wigry' scout battalion during Warsaw Uprising, eyewitness of a tragic mine carrier explosion in the Old Town, a person who had her fair share of wartime experiences, and at the same time a woman of real class, serenity, and sense of humour - and what's most important for us - a huge and sincere friend of 'Gustaw-Harnaś' History Group," the group said on Facebook.

Janina Gruszczyńska-Jasiak was born on December 11, 1922 in Warsaw. In recent years she lived in Poznań. During WWII she used her wartime pseudonyms "Janka" and "Porzęcka".

Between 2-6 August of 1944, she served as a nurse at Mariańska Street hospital. On August 7, she was assigned as a nurse to "Wigry scout battalion. Six days later, on August 13, 1944, she was wounded in a tragic blast of German explosives carrier in Warsaw's Old Town.