British Transport Police (BTP) have released CCTV images of three people they want to talk to about a knife-point mugging of a teenager’s phone - worth just �30.

The group, who may have links to Upminster, are being sought after a 16-year-old boy was threatened with a knife for his phone at Benfleet rail station.

Det Con Michael Bute said: “Around 5pm, on January 2, the victim was on the platform at Benfleet with a friend when he noticed a group of two men and a woman close by.

“Suddenly, the men approached the victim, pulled a knife and held it to his stomach before demanding he hand over his mobile phone.

“Fearing for his safety, the victim complied before the attackers and the woman made off, exiting the station and leaving in a taxi.”

He added: “This was a terrifying and intimidating experience for the victim, if you can name any of these people, we want to hear from you.

“We know from our enquiries that the group returned to Benfleet rail station later that evening with a young girl, being pushed in a pink buggy by the woman.

“They boarded a train bound for Upminster, where they were later captured on CCTV leaving the service and changing onto the London Underground.”

Anyone with information should call British Transport Police on 0800 40 50 40 quoting reference B6/LNA of 18/01/2012. Alternatively call Crimestoppers anonymously on 0800 555 111.