Yale spokesman Thomas Conroy told local newspaper the New Haven Register, “Everyone is following instructions they were given in these alerts".
The Yale alerts warning an emergency situation is in place are sent by email, text message and phone.
Everyone in our community receives these alerts ... Everyone is alerted in multiple ways,” he added.
Students at Yale University have been on break since Saturday and classes do not resume until 2nd December.
More top news
All four crew members died when the helicopter crashed into the Atlantic almost two weeks ago.
After a cold start, it will be a mostly bright and sunny Sunday for many of us with temperatures way above the norm for the time of year.
In a wide-ranging Peston on Sunday interview, he said Parliament security needs reviewing and the PM's counter-terror strategy is flawed.