Two US universities evacuated after 'al-Qaida bomb alert'

Two US universities have been evacuated after receiving specific bomb threats from someone claiming to be a member of al-Qaida.

The University of Texas was closed after a man phoned the university claiming to have planted bombs around the campus, saying they would detonate within 90 minutes.

Students have been urged to get "as far away as possible".

North Dakota State University has also been evacuated after receiving a similar threat.