CASA GRANDE, Ariz. - Police are investigating a report of a sexual assault early Thursday morning at a Casa Grande hotel.

A 35-year-old woman told Casa Grande PD that an unknown man entered her hotel room near I-10 and Florence Boulevard and sexually assaulted her.

She described the man as Hispanic and in his early-to-mid 30s. He's between 5' 5" and 5' 11" with a thin build, black hair and a black mustache. She said he had a deep voice.

The woman told police he was wearing a blue button-down work shirt, a white undershirt and dark jeans.

If you have any information about this case, call Casa Grande PD at 520-421-8700 or Silent Witness at 520-836-2100.