A coach has overturned in a serious crash on the M53 with fears a school bus may have been involved in the collision.
Witnesses say children were escaping from the back window and are standing on the hard shoulder as a huge emergency response is underway in the Merseyside area.
Merseyside Police has tweeted: 'Emergency services are dealing with an RTC along the M53 junction 5 northbound.
'Please avoid this area and find an alternative route.'
At least 10 police vehicles, four fire engines and five ambulances are said to be at the scene this morning.
According to the Liverpool Echo, a coach appears to be overturned in the road.
A witness who tweeted a photo showing a bus lying on its side wrote: 'Crash on the M53 towards Liverpool just after J5. Coach on the side with school kids escaping for the back window.
'Hope all the kids got out ok.'
Another said: 'Drove past that was awful to see all the kids standing on the hard shoulder.'
MailOnline has contacted Merseyside Police and the North West Ambulance Service for comment.
More follows.