PARKVILLE, MD – Police are on the scene of a possible barricade situation along Old Harford Road.

At just after 1 p.m., witnesses reported seeing a man with a machete in the 7300-block of Old Harford Road (21234).

The man emerged from a home in the neighborhood then retreated back inside.

The suspect’s mother was also in the home, but she has now exited.

A SWAT team is responding to the scene and police are establishing a perimeter around the area.

No further information is available at this time.