THREE youths threatened schoolchildren with a Rottweiler to intimidate them into giving them money.
The three yobs attempted to steal cash from a number of passengers on the 3.56pm train from Dartford to Cannon Street on April 25.
During the journey the trio approached their victims and said they needed money to help feed their dog.
They then threatened to set the black Rottweiler on them if they refused to hand over any money.
The youths eventually got off the train at Abbey Wood Station after slapping one of their victims.
The yobs are all aged 15 to 16. One has a chubby build and ginger hair, while the other two are of slimmer build, one with black hair and one with blond hair.
Anyone with information should call British Transport Police on 020 7922 6213.
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