In paris today. A French Police officer was engulfed in flames and seriously burned two more were injured in clashes with protestors. This years may day demonstrations come just six days before the final round of the french president ial election and in a divided nations it is clearly a tense time. The bbcs Lucy Williamson is in paris and i spoke to her a brief time ago. These marches come just six days before the final vote and i expect they are some gauge of the mood in france and it does not look good does it . These may day rallies are an annual event organised by the main unions here. They happen alongside the political rallies and the unions also have taken on something of a politicalflavour today. We saw clashes on the margins on some of the matches, some provocateu rs on some of the matches, some p rovocateu is we on some of the matches, some provocateurs we believe on the margins on one of those events through some Molotov Cocktails towards the police injuring several of them