A gang expert has had to postpone his evidence to the Croydon riots panel after being involved in a road collision.

Sheldon Thomas was due to speak at the Town Hall this morning to talk about gang involvement during the August riots.

But he had to cancel at the last minute after being involved in a traffic collision yesterday.

It is believed his appearance will be rescheduled.

Borough Commander Chief Superintendent Dave Musker is scheculed to speak this afternoon.