Milwaukee police say an arrest has been made in connection with the sexual assault of a 10-year-old girl on the city’s south side.Officials say the girl was approached around 8:45 a.m. Tuesday, December 16th by a suspect and pulled into the back yard of a home near S. 15th Place and W. Orchard Street. That’s where she was sexually assaulted. Witnesses say the suspect even threatened to kill the girl before forcing himself on her.