A Stagecoach bus was attacked by a member of the public this morning at 8:52am in Fulwood, Sheffield.
The 83A bus which travels from Fulwood to Ecclesfield had to be cancelled after the attack.
A spokesperson for Stagecoach has said: ““We are aware of an incident on a bus in Sheffield this morning.
No staff or customers were injured or affected, some damage was done to a vehicle which resulted in one journey not operating.”
Stagecoach has made clear that normal service resumed as quickly as possible.