Wales Air Ambulance has confirmed their Swansea-based helicopter attended the M4 crash scene this morning, where they flew the bus driver to hospital.
A spokesperson said: "The crew was mobilised at 09:37 and landed on scene at 10:00 after the road had been closed.
"The WAA paramedics assisted emergency services on scene before airlifting an adult male to Morriston Hospital, Swansea.
"The aircraft left at 10:40 and arrived at hospital 11:00."
More top news
There'll be clear spells overnight with mist inland. But tomorrow it's all change with scattered showers!
Described as the 'hidden disability', autism affects how people perceive the world and interact with others.
A driver from Newport has been handed a 21 month sentence behind bars after wracking up a number of driving offences.