A police statement said the driver of the truck had “repeatedly made dangerous maneuvres” and "was trying to ram police motorbikes" before the chase ended.But the teenager's family lawyer for the boy has described it as a "cold-blooded attack" and says "nothing justifies such action by police officers."Around 1,500 took part in the protest organised by left-wing and anarchist groups in central Thessaloniki."Society can no longer tolerate this climate of fear created by extreme police brutality which, for trivial reasons, has threatened the life of an underage 16-year-old child," said Christos Spirtzis, the party spokesman for public order.Several Roma men have been fatally shot or injured in recent years during confrontations with police while allegedly seeking to evade arrest for breaches of the law."