French police holds a shotgun shell recovered after they were shot upon in Grigny, south of Paris on the 11th night of violence late November 6, 2005. France's urban riots reached a new peak in their 10th night as petrol bombings spread from Paris's run-down suburbs to the centre of the capital and began to unnerve neighbouring countries. President Jacques Chirac summoned his security, social affairs and finance ministers to an emergency meeting at 1700 GMT to plot a response after 1,300 vehicles were destroyed in the latest night of chaos -- a new high. ATTENTION EDITORS - FRENCH LAW REQUIRES THAT FACES OF LAW ENFORCEMENT OFFICERS ARE MASKED IN PUBLICATIONS WITHIN FRANCE REUTERS/Franck Prevel