M4 Swansea crash: Four people in hospital 19 January 2014 Last updated at 17:58 Four people have been taken to hospital after a car crashed on the M4 near Swansea. The single vehicle crash happened on the eastbound carriageway at Junction 47 (Penllergaer) just after 11:00 GMT on Sunday. South Wales Police said the male driver was seriously hurt but the injuries to his passengers - a woman and two children - were not life threatening. The motorway was closed for police investigations until nearly 16:00 GMT. Witnesses are asked to contact the police on 101.