http://www.france24.com/en/ The shooting happened in the area around the French capital's Champs-Élysées Police said two attackers were involved Eyewitnesses said one opened fire with a Kalashnikov gun Police warned the public to stay away from the area The Interior Ministry said it was too early to say what the motive was A gunman killed one police officer and wounded another before being killed himself in an attack on the Champs-Elysées in the heart of the French capital on Thursday evening, according to a police source. Paris police are telling the people to avoid the area. A helicopter has been seen flying low over central Paris, said a Reuters reporter, apparently part of a follow-up police operation. France remains tense after the government declared a state of emergency following a series of terrorist attacks, including the November 2015 attacks, which targeted the Bataclan concert hall and Stade de France sports arena, as well as café and bar terraces in the capital. The emergency decree has been extended by several parliamentary votes and remains in force. The Champs-Elysée is one of the world's most prestigious boulevards and is popular with shoppers and tourists.