Janesville Police arrested a man Wednesday for allegedly sexually assaulting a 12-year-old girl.

Janesville Officers responded to 140 Ridge Creek Drive around 1:30 that afternoon at the request of Milwaukee Police. Milwaukee officers were trying to locate a 12-year-old runaway.

Janesville Police police found the runaway at the address with 19-year-old Richard Rucks. The girl reportedly told police she met Rucks through an internet dating site. While the two were together, they allegedly had sexual intercourse numerous times.

Rucks was arrested for first degree sexual assault of a child. He is being held in jail.

The girl was returned to family members.