U.S., Jan. 12 -- Businesses have boarded up their windows ahead of another planned demonstration in Paris.

Multiple people have been injured following the blast which ripped through the bakery in central Paris early this morning at Rue de Treviso, in the 9th arrondissement of Paris . A gas leak may be the reason for the explosion, but the city is expecting demonstrations again this entire weekend.

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Such demonstrations have the potential of turning violent. Tourists in Paris should avoid crowds and known attractions.

French police in Paris fear Saturday's yellow vest protest in France will attract a more violent fringe element and lead to the kind of violent scenes witnessed in t...