Gunman waited inside DC gym before killing building manager, shooting 5 others

A sixth victim has been identified by D.C. police in a deadly shooting that began inside a busy gym before the gunman moved to a patio and shot several other people Thursday morning.

Matt Lambert killed himself after fatally shooting a building manager and wounding five others in the Logan Circle area at around 8 a.m.

Thursday, according to D.C. police.

The shooting happened around the area of 15th and P streets Northwest amid a dispute over mold inside a penthouse condo that belonged to Lambert.