SAN DIEGO - Police are searching Thursday for three men who they say beat and raped a woman near Morley Field in North Park.

A woman told police she was walking alone in the area at around 3 a.m. when three men in Halloween costumes beat and sexually assaulted her. 

The woman ran to a friend's house and called 911, 10News learned.

Police said they do not have a good description of the men because they were all wearing masks.

Police continued to monitor the area around Morley Field Thursday morning.