Police lock down neighborhood in Richmond's Iron Triangle for suspect search

Police in Richmond have ordered a lockdown for a neighborhood in the city's Iron Triangle area while investigating a possible armed suspect on Monday morning.

Officers responded at 7:41 a.m. to the 500 block of Second Street to a report of a man on a porch waving a possible firearm, Richmond police said. Officers were still at the scene three hours later.

At one point, the man went inside and police cleared the scene. Then he came back outside. Police said at 10:41 a.m. they were trying to make contact with the man.

Police advised residents within a one-block radius of the home to remain indoors. All other residents were asked to avoid the area.

"Go inside, close and lock all windows and doors. Stay off the phone and do not call 911 unless you need to report a life-threatening emergency," police said in an alert sent to residents.

This is a breaking news update. More information to be added as available.