Police officers block the access to the Champs Elysees in Paris after a shooting on April 20, 2017. One police officer was killed and another wounded today in a shooting on Paris's Champs Elysees, police said just days ahead of France's presidential election. France's interior ministry said the attacker was killed in the incident on the world famous boulevard that is popular with tourists. / AFP PHOTO / THOMAS SAMSON (Photo credit should read THOMAS SAMSON/AFP/Getty Images)
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BFMTV: Police officer killed in Paris
01:16 - Source: CNN

At least one police officer is dead in a shooting in the Champs-Elysées area of Paris. The assailant has been killed.