CHICAGO – Charges have been filed in connection with a violent robbery and a separate battery incident on the Halsted Street nightlife strip in Boystown. The robbery occurred around 2 a.m. on September 26 in the 3400 block of North Halsted, just south of Cornelia. Police said a man was walking home when a group of people pulled on his bag strap, causing him to fall to the ground. The group ran away but returned to take his bag, which contained keys, a phone and the victim’s wallet, a Chicago police report said.