Four men had been travelling in an unmarked car that was somehow apprehended on a street in Ramallah.

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GlobalPost said Foley was in a car heading for the Turkish border when, an eyewitness said, an unmarked car intercepted the journalist.

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He drove along footpaths and grass verges as he pursued the police through several streets in Aberdeen, eventually crashing into their unmarked car.

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Wemyss drove along footpaths and grass verges as he pursued the police through several streets in Aberdeen, eventually crashing into their unmarked car.

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Rory claims he became confused over time zones and said it was a State Trooper in an unmarked car who helped him arrive at the course with 10-11 minutes to spare (as opposed to the usual two hours or so pro players usually allot).

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Glenn Robinson's Citroen Saxo was being followed by an unmarked police car after being seen speeding between Horden Easington Colliery on Sunday.

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At issue is whether electronic tracking is comparable to such routine surveillance as following a suspect in an unmarked police car on city streets, as the federal government argues.

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We know that an officer in an unmarked police car had seen the car being driven at speed along Essington Way and turned to follow it with the aim of getting it to stop.

BBC: Glenn Robinson killed in Horden car crash