A major road in Sheffield has been closed due to a police incident.
Penistone Road has been closed at the junction with School Lane, in Grenoside.
Stagecoach Yorkshire said shortly after 2.40pm that the road was closed due to what it described as a 'police incident'.
It said number 86 and SL1/SL1A buses were being diverted via Salt Box Lane, Main Street and Norfolk Hill.
Travel South Yorkshire said First services were also disrupted, with number 135 buses using Norfolk Hill in both directions and the number 35 to go via Cowper Avenue, missing Grenoside.
The exact nature of the incident has not been confirmed but one member of the public said it appeared to be a 'major crash'.
South Yorkshire Police said three people were injured in a collision involving a bus and two other vehicles.