Passengers had to be rescued from a First Bus after it hit a tree in Costessey on Monday morning.

Eastern Daily Press: Tree branch on Norwich Road in Costessey which has crashed through the top deck of a First bus. Picture: ANTONY KELLYTree branch on Norwich Road in Costessey which has crashed through the top deck of a First bus. Picture: ANTONY KELLY (Image: Archant Norfolk 2016)

A branch of the tree smashed the glass of the front window on the top deck of the bus. It happened as the bus tried to overtake a bin lorry, according to reports.

Emergency services were called to the scene at 8.10am and fire crews from Earlham and Carrow helped five passengers off the bus.

Eastern Daily Press: Tree branch on Norwich Road in Costessey which has crashed through the top deck of a First bus. Picture: ANTONY KELLYTree branch on Norwich Road in Costessey which has crashed through the top deck of a First bus. Picture: ANTONY KELLY (Image: Archant Norfolk 2016)

The bus was then stranded on the wrong side of the road.

One passenger, a man in his 50s, was treated for minor injuries at the scene by the East of England Ambulance Service.

Eastern Daily Press: Tree branch on Norwich Road in Costessey which has crashed through the top deck of a First bus. Picture: ANTONY KELLYTree branch on Norwich Road in Costessey which has crashed through the top deck of a First bus. Picture: ANTONY KELLY (Image: Archant Norfolk 2016)

A spokesperson for First said: 'We don't know how the accident occurred yet but there will be a full investigation once we have spoken to the driver.'

The bus involved was the 23A service travelling between Heartsease and Costessey.

•Were you on the bus? Did you see what happened? Email jessica.long@archant.co.uk