The Florida mosque where Omar Mateen, who committed the deadliest mass shooting in US history, prayed was damaged on Monday in an arson attack, investigators said.
Mateen was killed by law enforcement officials after fatally shooting 49 people and wounding 53 others in a gay nightclub in Orlando in June.
Local law enforcement officers received reports of flames rising from the Islamic Center of Fort Pierce, located about 100 miles (161 km) southeast of Orlando, at about 12:30 a.m. EDT, St. Lucie County Sheriff's Major David Thompson told reporters at a news conference. No one was injured.
The attack occurred on one of the holiest Muslim holidays.