Eight people have been injured, including one person in critical condition, after a double-decker bus crashed into a railway bridge in Glasgow city centre.Part of the roof of the 4A First Bus was torn off, with the vehicle wedged under the bridge on Cook Street at the junction with Commerce Street.
Five people were taken by ambulance to Queen Elizabeth University Hospital for treatment after the crash at about 18:00 GMT on Saturday, while three others were assessed at the scene and attended hospital.
Spike Turner, a passenger who was third from the front of the bus, said the driver had taken a wrong turn and crashed "straight into the bridge".
A number of roads are closed in the area.
The street is one-way and the bridge, near the O2 Academy, is located shortly after a turn - though is clearly marked for vehicles under 3.8 metres (12.5 ft).
Mr Turner said: "I was fine, the lady in front of me might have been concussed. The bridge itself wasn't high enough to hit anyone's heads but parts of the bus exterior have swung down. The man in the front seat was in a really, really bad state. He's got a lot of blood and a massive gash on his head."
First Bus earlier said it was aware of numerous injuries and that one person had been taken to hospital. A spokesperson said: "We have launched an immediate investigation and are also assisting Police Scotland with their inquiries."
ScotRail has closed a number of lines due to the crash. A spokesperson said train services between Glasgow Central and Ardrossan Harbour, Ayr, Largs, Gourock, Wemyss Bay and Paisley Canal will be cancelled, delayed or revised.
Police have sealed off Cook Street at Centre Street, Commerce Street until Wallace Street and Salkeld Street to Cook Street.
A spokesperson for Police Scotland urged drivers to avoid the area.
Network Rail and the Scottish Ambulance Service have been approached for comment.
In May last year, 10 people were taken to hospital after a bus crashed into the same railway bridge.
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