[Updated at 2:39 p.m.] A security scare at Boston's Logan International Airport ended with an all-clear after the two bags that triggered the alert were found to be harmless, Massachusetts State Police said Tuesday afternoon.
[Updated at 1:45 p.m.] Massachusetts Port Authority spokesman Phil Orlandella tells CNN the evacuation was sparked by a canine unit getting a "hit" on two duffle bags.
The bags had not been loaded onto a plane, Orlandella said.
[Posted at 1:28 p.m.] The cargo building at Boston Logan International Airport has been evacuated as authorities investigate a suspicious package, Massachusetts Port Authority spokesman Phil Orlandella told CNN.
He would not say what about the package sparked suspicions. The cargo building is not near passenger terminals and airport operations are unaffected.
The Massachusetts State Police, State Bomb Squad, Boston Fire Department and Logan Fire Department are all responding to the investigation, Sgt. Matthew Murray of the Massachusetts State Police told CNN.
This story is developing. We'll bring you the latest information as soon as we get it.