Naval Medical Center Shooting Reports Unfounded

Police say reports of a gunman and shooting at the Naval Medical Center in San Diego are unfounded. 

Authorities ended a lockdown at the hospital around 2 p.m. after finding no sign of a gunman or a shooting. 

Military police checked Building 26 after a witness reported hearing three shots in the basement earlier in the day. 

The base remained on lockdown as authorities conducted a room-to-room search. 

Police say the building is home to offices and barracks for wounded sailors and Marines as well as a gym. 

Earlier in the day, the Navy hospital posted on their official Facebook page that an active shooter was reported and people were told to run, hide or fight. 

Police say as many as 800 people are in the building on any given day. 

The building will remain closed while the investigation continues.