HOUSTON -

Students, faculty and staff have been allowed to return to the Texas A&M University campus more than four hours after it was evacuated because of a bomb threat.

About 4 p.m. Friday, more than four hours after a Code Maroon was issued at 11:34 a.m., university officials said people could return to campus to retrieve their belongings. The university remained closed for normal operations.

University officials said a a bomb threat was made via email and was general in nature. Everyone on campus and at the university-owned Easterwood Airport was ordered to leave by foot and not by vehicle.

All classes and activities were canceled and people were asked to head north to Church Street or south toward Anderson Street. University buses ran off-campus routes during the evacuation period.

The university estimated 50,000 students were evacuated.

Events planned on campus for Friday evening have not been canceled.

The Aggies are scheduled to play the LSU Tigers on Saturday. University officials said they expect the game to be played as scheduled.