BRITISH Transport Police (BTP) recently appealed for information after an incident in which an unknown substance was thrown on a group of people at Ockenden station.
Following the appeal, a 17-year-old male from Dagenham contacted police and has subsequently been arrested in relation to this incident. He is currently helping police with their enquiries.
A BTP spokesman said: “I would like to thank the public and the media for assisting us with this witness appeal.
