Several people were injured when a bus collided with a tree in Blackfriars Road on Tuesday afternoon.
Traffic in the area was already disrupted because of a fatal collision at Elephant & Castle.
Fire crews from Dowgate, Euston and Lambeth were called to the scene along with the London Ambulance Service.
Passengers were treated at the scene for a number of minor injuries whilst one man was tended by ambulance and fire crews on the top deck of the bus.
Route 63 is operated by Go-Ahead London Central.