One of the cars used to transport migrants through northern Greece. [Handout/Hellenic Police]

Six suspected drivers for migrant-smuggling rings have been arrested in a single day near Greece’s northeastern land border with Turkey ferrying a total 33 migrants west in cars, authorities said Tuesday.

A police statement said that in one case the driver of a car with ten people squashed into it drove away from a police roadblock, crashing into and damaging another car and driving on, until he was forced to stop and surrender.

In another case, the alleged smuggler had another ten people squashed into his car, which was normally designed to take five.

Three of the suspects were Greeks and three foreign nationals, the police statement said. All six were arrested Monday.