UPDATE: 6:46pm Lockdown lifted, suspect in custody, more as it becomes available


5:55pm Washington DC - American University is on lockdown after reports of a man with a gun on campus.

The university tweeted they were on lockdown shortly before 8 p.m. eastern.

American University and D.C. police are searching the area.  Police have advised students in the area to stay indoors.

KFBK will provide updates as they become available.