UPDATE 4:45 p.m.: The Braintree garage is now re-opened, according to an agency spokesman.
WCVB reports that the suspicious package was actually a piece of exercise equipment sticking out from a vehicle.
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The MBTA parking garage in Braintree has been shutdown this afternoon because of a suspicious package, according to WCVB.
A robot was sent in at about 2 p.m. to investigate, the Department of Transportation told Channel 5. Vehicle owners have been unable to retrieve their vehicles as well.
Look for more information on this as it becomes available.