Complex sentence: On August 4--5,1944, people were also murdered in nearby garden allotments, while hand-grenades were thrown into cellars where people were hiding; among others, residents of the building in Gójecka 104 street were killed in this way.
Split into simpler sentences: On August 4--5,1944, people were also murdered in nearby garden allotments, while hand grenades were thrown into cellars where people were hiding. The residents of the building in Gójecka 104 street were killed in this way.