In Imielin (4-5 September), 28 Poles were killed; in Kajetanowice (5 September), 72 civilians were massacred in revenge for two German horses killed by German friendly fire; Trzebinia (5 September), 97 Polish citizens; Piotrkow Trybunalski (5 September), Jewish section of the city was set on fire; Bedzin (8 September), two hundred civilians burned to death; Kecko (9-10 September), three hundred citizens executed; Mszadla, odz Voivodeship (10 September), 153 Poles; Gmina Besko (11 September), 21 Poles; Kowalewice, odz Voivodeship (11 September), 23 Poles; Pilica (12 September); 36 Poles, 32 of them Jewish; Olszewo, Gmina Bransk (13 September), 13 people (half of the village) from Olszewo and 10 from nearby Pietkowo including women and children stabbed by bayonets, shot, blown up by grenades, and burned alive in a barn; Mielec (13 September), 55 Jews burned to death; Piatek, odz Voivodeship (13 September), 50 Poles, seven of them Jews. On 14-15 September about 900 Polish Jews, mostly intelligentsia, were targeted in parallel shooting actions in Przemysl and in Medyka; this was a foreshadowing of the Holocaust to come. Roughly at the same time, in Solec Kujawski (14 September), 44 Poles killed; soon thereafter in Chojnice, 40 Polish citizens; Gmina Kecko, 23 Poles; Badkow, odz Voivodeship, 22 Poles; Dynow, two hundred Polish Jews. Public executions continued well beyond September, including in municipalities such as Wieruszow County, Gmina Besko, Gmina Gidle, Gmina Kecko, Gmina Ryczywo, and Gmina Siennica, among others.
Answer this question: In what cities were Poles killed on September 11th?
Gmina Besko