A paedophile teacher who was jailed for the historic sex abuse of three boys may have abused more victims, police have said.
David Dutoit, 58, attacked two 16-year-old boys between 1998 to 2003. He attacked one of the boys at his flat, police said.
He also abused an 18-year-old boy who he met through a computer skills course for unemployed people.
Dutoit took the boy to a pub in central London and bought him several drinks, Blackfriars Crown Court heard.
They had arranged to stay in separate rooms at a nearby bed and breakfast but the victim awoke to find Dutoit sexually assaulting him.
After the incidents were eventually reported to police this year, he was charged with multiple sex offences.
Dutoit, of Heylyn Square, Bow, was jailed for six years after admitting gross indecency with a child, indecent assault on a child, sexual assault and possession of indecent images of children.
Police believe he may have had other victims while he taught teenagers in the boroughs of Hackney and Tower Hamlets between 2005 and 2014.
Detective Constable Klementina Balint of the Met's Sexual Offences, Exploitation and Child Abuse Command who led the investigation, appealed for any other victims to come forward.
She said: "David Dutoit is a serial sexual offender who took advantage of vulnerable young males and abused them.
"Given what we know about his offending history, it is highly likely that he may have tried to sexually abuse other people. If you are a victim of Dutoit's, or have any information which could assist further investigations into his activities, please contact the police.
She continued: "The victims' of Dutoit that we know about put their faith in the police to investigate their claims thoroughly; we have done that and I hope they feel some form of justice has been served.
"I also hope it will give any other victims the confidence to contact police and report the abuse they have suffered."
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