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A randy couple who were filmed by another commuter having sex on a Tube train could face five years in prison after police uncovered their identities.
The couple were caught on camera performing a variety of sex acts on each other on a Metro carriage in Russia on Valentine's Day this year.
But now they could face prosecution because investigators have managed to identify them.
According to Russian media, if the couple are found guilty of hooliganism and indecent behaviour they could be jailed for up to five years or fined nearly £6,000.