Complex sentence: Prior to the Holocaust, the city was home to 1,486 Jews, and most of them (around 1,100) were shot by Germans in the nearby village of Plebanivka on April 7,1943.
Split into simpler sentences: Prior to the Holocaust the city was home to 1,486 Jews. Most of the local Jews (1,100) were shot by Germans in the nearby village of Plebanivka on April 7,1943.