The American university Harvard on Monday four of its buildings evacuated after an " unconfirmed " bomb threat was received.
Bomb threat on #Harvard Yard pic right now. twitter. com / 1IF1wnQuyO- Michael Linhorst (MichaelLinhorst) November 16, 2015
Evacúan edificios cuatro de la Universidad de Harvard por amenazas the bomba pic. twitter. com / wC9pO3sGHD
- T13Noticias (@ T13Noticias) November 16, 2015