Potomac barricade ends peacefully; armed man in custody

A 23-year-old man is in custody after barricading himself in a Potomac home.

Montgomery County Police say he fired at least one shot during the four-hour standoff at the home, located in the 8100 block of Coach Street, which began around 8:15 p.m. Tuesday.

The standoff ended peacefully, and the suspect was taken into custody around 12:40 a.m. Wednesday.

The motive remains unclear. No further details were immediately available.