"The figures are stark. An average of 112 cars a day have been torched across France so far this year and there have been 15 attacks a day on police and emergency services. Nearly 3,000 police officers have been injured in clashes this year. Officers have been badly injured in four ambushes in the Paris outskirts since September. Some police talk of open war with youths Islamic terrorists who are bent on more than vandalism.

“The thing that has changed over the past month is that they now want to kill us,” said Bruno Beschizza, the leader of Synergie, a union to which 40 per cent of officers belong. Action Police, a hardline union, said: “We are in a civil war, orchestrated by radical Islamists.”"