Thousands of riot police will be deployed in Paris tonight after warnings that victory for Nicolas Sarkozy, the conservative candidate in today’s presidential election, could spark violent protests. Fears of a repeat of the rioting that swept France two years ago intensified as the final opinion polls pointed to an overwhelming victory for Sarkozy. A crowd of up to 40,000 Sarkozy supporters was expected on the Champs Elysées in central Paris to celebrate the result. Police believe that gangs of youths from the suburbs might confront them. Sarkozy has promised a “fraternal” republic but said last week that he did...