Police are investigating an attempted sexual assault on the Wesleyan University campus Sunday.

The victim was assaulted at 184 High St. – the house of the Mu Epsilon Chapter of Beta Theta Pi fraternity – and was able to fend off the attacker and escape, police said. The victim was treated at Middlesex Hospital for injuries from the assault, police said.

Police received the report around 3 a.m., and said they are pursuing leads in the investigation.

The fraternity chapter has acknowledged the allegations of assault and said they are cooperating with police in the investigation.

Anyone with any further information is asked to contact police at 860-344-3200.