Riots have rocked the French city of Grenoble after police chasing a gang of suspected robbers killed a man who had reportedly fired on them.
Rioters protesting at the death in the run-down suburb of Villeneuve burned cars and fired at least one shot.
Police say a second suspected robber escaped into Villeneuve after Friday's car chase.
A gang had robbed a casino near Grenoble of more than 20,000 euros (£17,000; $26,000).
Rioters also attacked a tram with baseball bats and iron bars.
Interior Minister Brice Hortefeux promised to restore order when he visited the scene of the disturbances on Saturday afternoon.
'Hoodlums and delinquents '
Police say they pursued two men suspected of holding up the casino at Uriage-les-Bains early on Friday morning.
The two men fired shots at them, police said, wounding an officer. Police returned fire, killing one of the men, Karim Boudouda.
Mr Boudouda, 27, had three previous convictions for armed robbery.
The second suspected robber was still at large as of Saturday afternoon.
The riot erupted after a memorial service for Mr Boudouda.
At about 0230 (0030 GMT) on Saturday, a youth emerged at the front of the rioters and fired a shot at police, who returned fire four times, police spokeswoman Brigette Jullien told AFP.
Nobody was injured in the riots, police said. They made five arrests for arson and looting.
Mr Hortefeux made a lightning 15-minute tour of Villeneuve and promised quick action by the authorities.
"When I say quick, I mean immediately, that's how we are going to re-establish public order and the authority of the state," he told reporters outside police headquarters.
"There is a simple and clear reality in this country: there's no future for hoodlums and delinquents because in the end the public authority always wins."
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