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.
More top news
Around 40% expressed concerns over the effect their job had on their health, a survey has revealed.
High street stores con customers by offering "discounts" which offer little to no savings - and may end up costing more, Which? has claimed.
Britain has claimed victory over Germany in a special football match marking 100 years since the near-legendary WWI Christmas truce match.