Trains are being delayed through Croydon stations this evening due to a police incident at Carshalton Beeches

A passenger on the 18.26 service from Sutton to London Bridge told Sutton Guardian his train was held at the station for 20 minutes.

"There have been no announcements. I've seen three police officers on the platform.

"One walked through the train holding a phone. It looked like he was looking for someone.

"I've just seen the police escort someone off toward the exit."

No information about the incident or the delays has been released by Southern Rail at this time.

Sutton Guardian has contacted British Transport Police for more information.