TWO rent boys at the centre of the Keith Vaz sex probe have called in police, claiming they are being shadowed by a sinister surveillance outfit.

Married Labour MP Vaz, 61, was forced to step down as chairman of the Commons Home Affairs Committee after he was caught meeting the duo in 2016.

1 The MP was caught discussing cocaine on camera Credit: PA:Press Association

The dad of two was placed under investigation by a parliamentary standards watchdog, but the probe has been dogged by delays due to his ill health.

Now the Eastern European escorts, in their 20s, say they have been traced by spooks to a secret hideaway in Poland where they fled after the scandal broke.

Since January, they claim they have been tailed by a car while driving, investigators have asked family for their whereabouts, and that suspicious men rented a nearby house to spy on them.

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There is no suggestion Mr Vaz has any knowledge or involvement in their unproven claims.But the sex workers fear they’re being hounded as part of a smear campaign and called in cops for protection.

One said: “We believe we’re in danger. It feels like someone is trying to gather evidence to use against us. It feels like some kind of revenge.”

Footage showed Mr Vaz saying to escorts he’d pay for cocaine — though insisting he didn’t take it himself.

He later expressed regret over his actions and said: “Those who hold others to account must themselves be accountable.” A police probe into the MP was closed.