One Capitol police officer has been shot and the shooter is in custody, the Associated Press reported Monday.

The AP reported that one police officer was shot, but his injuries are not believed to be serious.

Police officer shot at U.S. Capitol, shooter caught https://t.co/zjqIlR35yW

— The Associated Press (@AP) March 28, 2016

Reports of shots fired in the Capitol building’s visitor’s center began surfacing around 2:50 pm Monday. Immediately following the shooting, Capitol police placed the building and surrounding areas, including the White House, on lockdown. The White House lockdown has since been lifted, according to the AP.