MCC in Brighton was placed in lockdown for less than ten minutes this afternoon.
It was just part of a drill, but the tweet below was accidentally sent out to the public.
Yesterday, MCC issued a press release on its website
"Public Safety will be conducting a lockdown drill at the Brighton Campus location in the very near future."
"Each drill will begin with an audible announcement advising those on campus that a lockdown is underway. Community members who have registered with MCC Alert will also receive a message as well as a campus-wide e-mail message announcing the drills. If you are on campus during a lockdown , please be prepared to follow all instructions immediately. An "All Clear" message will be delivered when the drill has concluded. Each drill is expected to last approximately 10 minutes."