UPDATE: 2/24/12 4:33 P.M.
An early Friday afternoon situation in Vienna blocks off an intersection for nearly 4 hours.
Police responded to a home near the intersection of 9th and 33rd Streets. It happened around 10:30 Friday morning.
Officers say a woman with a gun barricaded herself inside a bedroom and refused to come out.
The situation ended peacefully and no one was injured.
No further details are being released.
Police responded to a Vienna home near 9th avenue and 33rd street. 33rd street between 9th and 10th avenues is closed to traffic.
WTAP has a crew on scene, and will have more details throughout the day on WTAP.com as coverage warrants.