UPDATE [8:32 a.m.]: Police are still on the scene searching for a fifth person in the incident, according to Channel 2 Action News. They've asked the person to come out with hands up.
ORIGINAL STORY: A SWAT standoff ended in gunfire and four arrests Tuesday morning after reports of a break-in at a gun store in Marietta, according to Channel 2 Action News.
A SWAT team was called to the Deercreek Gun Shop on South Fairground Street and South Marietta Parkway before 6:15 a.m.
Officers were fired at, but no one was hit, Channel 2 reported.
—Please return to AJC.com for updates.