Swansea bus crash: 'It was like a tin opener took the top off'
An eyewitness described how it looked like "a tin opener had taken the top off" a bus in a crash.
The double decker went under a bridge on Neath Road, Swansea, just before 09:40 GMT on Thursday.
It had been bound for Swansea University.
A number of people have been taken to hospital, one seriously injured and another with life-threatening injuries.