SFPD investigating sexual assault allegation involving 49ers WR Michael Crabtree

San Francisco 49ers wide receiver Michael Crabtree (15) looks on from the sideline during an NFL football game against the Arizona Cardinals in San Francisco, Sunday, Dec. 30, 2012. (AP Photo/Marcio Jose Sanchez)

January 18, 2013 7:52:29 PM PST
San Francisco police are investigating an alleged sexual assault involving 49ers wide receiver Michael Crabtree.

Police say the incident occurred at a San Francisco hotel last Sunday.

Crabtree has been interviewed by police and has not been detained or arrested.

The 49ers are currently on their way to Atlanta to face the Falcons in the NFC Championship.

Stay with ABC7NEWS.COM for updates on this developing story.