Copy from arfcom:
UPDATE, 10:18 AM: Scanner traffic has indicted that additional shots have been fired at the scene.
UPDATE, 10:15 AM: Denver Police Det. John White is saying that police received a call about a robbery in progress at this Radio Sack location. When they arrived on scene, they were fired at.
White said he cannot confirm details about the hostages, but he believes the suspects are still inside.
DENVER — Denver police have confirmed that shots were fired near the intersection of Glencoe Street and Colfax Avenue, and that hostages are being held at a nearby Radio Shack store.
All of this is causing a bevy of police to descend on the store and form a large barricade around the address of 5305 East Colfax Avenue. Scanner traffic indicates that hostages are being held by two masked suspects inside the store.