SWAT teams are reportedly assembling outside Yale University's Old Campus following the confirmed report of a gunman on campus.
Yale Daily News, the student newspaper, also reported that announcements have been broadcast in dorm rooms warning of the situation:
SWAT teams sighted on Old Campus.
Another in-room PA announcement was just blasted across dorms out reporting gunman on Old Campus.
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Donald Trump has branded those who take part in terrorist acts as "evil losers" in the wake of a suicide attack at Manchester Arena.
Live ITV News coverage after the explosion at Manchester Arena following a pop concert by US singer Ariana Grande.
What separates us from the terrorists is that we air our grievances with non-violent debate though our democratic structures and processes.