Police with motorist in Paris
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Paris car ban: 'Most people are playing the game'

17 March 2014 Last updated at 09:18 GMT

Hundreds of police are monitoring traffic in Paris after pollution levels prompted the French government to impose major restrictions.

Only motorists with cars that have odd-numbered registration plates should use their vehicles on Monday. On Tuesday, if the restrictions remain in place, it will be the turn of those with even-numbered plates.

The BBC's Hugh Schofield said he had seen some motorists defying the rules but that "most people appear to be playing the game".