French President François Hollande called the Thursday night shooting on Paris's Champs-Élysées that left one police officer dead and two others injured "terrorist in nature." The Islamic State group claimed responsibility for the attack through its Amaq channel, the AFP reports.A French Interior Ministry spokesperson said the incident began in the early evening, when the attacker started shooting at police officers stationed on the famed shopping destination in Central Paris. The attacker was eventually killed in a shootout with police. The Champs-Élysées, which draws thousands of tourists each day, remained on lockdown as police continue their investigation.Two police sources told the Associated Press that the shooter had been previously flagged by authorities as an extremist. Anti-terror prosecutors are part of the ongoing investigation.Continue reading on VICE News.