UW-Madison Police say a 19-year-old student has been arrested for third degree sexual assault and false imprisonment.

Police say a woman contacted them Saturday, May 10th to report she had been sexually assaulted a week before on Friday, May 2nd.

The woman told officers that she was in her residence hall room when Douglas Gill entered and sexually assaulted her. She said Gill had been drinking alcohol and snorting cocaine before the alleged assault.

Officers arrested Gill within a few hours of starting their investigation.