British Transport Police (BTP) officers have made an arrest and are appealing for witnesses following a serious altercation between two males on board a train between Putney and Clapham Junction resulted in a dog being wounded.

The incident occurred on Wednesday 22 April at around 10.50pm on board the 10.18pm Hounslow to Waterloo service.

A 17-year-old youth from Thornton Heath has been arrested in connection with the incident.

A BTP spokesman said, “A disagreement between two males on board the train resulted in a knife being drawn. During the altercation a dog belonging to one of the men, a 19-year-old man from Croydon, was stabbed.

“The suspect alighted the train at Wandsworth Town. The dog, a Staffordshire Bull terrier, was taken to the vets and is recovering.There would have been lots of witnesses on board the train who would have seen the incident and we are appealing for them to come forward and talk to police – we are working to get the full picture as to what happened that night.”