Emergency services are at the scene of a collision in Maidenhead town centre.
The accident happened just after 1pm on the one way system near Grenfell Island.
Police and the fire service are at the scene and the air ambulance landed at about 1.30pm.
Update 1.48pm: Courtney Buses have said they are experiencing delays due to the accident blocking the road. Large queues are building in the town centre.
Follow twitter.com/MaidenheadAds for updates
Top Ten Articles
The victim of an assault in Cippenham was flown to hospital by air ambulance this afternoon.
A rapid response vehicle, an ambulance officer, an air ambulance and an ambulance crew were all called to an address in Earls Lane at 2.10pm.