Armed police have blocked off the Champs Elysees in Paris after an officer was killed and another wounded in a shooting.
A report citing a police source said the person who fired on officers had been killed in turn.
Police urged people to avoid the area.
A witness identified only as Ines told French television station BFM that she heard a shooting, saw a man's body on the ground and the area was quickly evacuated by police
A witness told local media: “Suddenly everyone got up and started running, we didn't even have the time to understand what was happening.
“We heard one or two gunshots, it wasn't a Kalashnikov, it was shot by shot. We ran. I really didn't understand what was happening, we moved down the street, police told us to move down further.
“I didn't see if they were two, three or just one assailant. We just ran.
“We heard two gunshots. All the people sat on the terrace got up and ran, chairs were falling over.”
Another eyewitness reported seeing a man get out of a car "with a Kalashnikov."
The police officer who was killed in the attack was reportedly shot while in a car stopped at a red light by an attacker driving by, a police union said on Twitter.
Police said the shooting was very probably a “terrorist act”, according to Reuters, while other reports suggested robbery may have been the motive.
The IndependentArmed police have blocked off the Champs Elysees in Paris after an officer was killed and another wounded in a shooting. The officer was said to have been killed while in a car stopped at a red light. A report citing a police source said the person who fired on officers had been killed in turn. There were at least two attackers. Police said the shooting was very probably a “terrorist act”, according to Reuters, while other reports suggested robbery may have been the motive.
French Prime Minister Bernard Cazeneuve will meet President François Hollande at the Elysee palace, AFP reports.
An assailant opened fire on a police van, a spokesperson for the interior minister told BFMTV.
A police source says shots have been fired at a new location near the Champs-Elysees in Paris, Reuters reports.
The second policemen injured on the Champs-Elysees has died of his injuries, according to Reuters.
Searches are reportedly taking place in eastern Paris at the home of the attacker who was shot dead on the Champs-Elysees.
The IndependentShots have been fired at a new location near the Champs Elysees in Paris, according to a report. Earlier on Thursday night a police officer was killed and another injured on the popular avenue. Reuters reported a police source as saying gunfire was reported at a separate location.
"Tribute to the police officer killed on the Champs-Elysees tonight, thoughts with his family. Solidarity to his wounded colleagues and their loved ones."
The IndependentDonald Trump has responded to the Paris shooting and said "it looks like another terrorist attack". French law enforcement have not confirmed that the shooting along the busy thoroughfare of the Champs Elysees is part of a terrorist act. The French interior ministry said it was too early to judge the reason behind the attack. There is a report of another shooting but authorities have not confirmed whether it is part of the same incident. Paris police confirmed that the first shooter has been killed.
Previous reports by a police union that two police officers had been killed were incorrect, according to the interior minister who confirmed one officer had been killed and two others gravely injured.
↵Front National leader and French presidential candidate Marine Le Pen wrote: "Emotion and solidarity for our police forces, targeted again. MLP"
Police have reportedly issued an arrest warrant for a second suspect in the Paris shooting who arrived from Belgium by train. Two police officials said the suspected attacker was previously flagged as an extremist
French presidential frontrunner Emmanuel Macron wrote: "I attest my full solidarity to police forces. I am thinking of the victim's family."
French President Francois Hollande has said he is "convinced" the attack was terror-related and will hold security a cabinet meeting tomorrow morning. Two candidates in the presidential elections, Francois Fillon and Marine Le Pen, have cancelled campaign events due to take place tomorrow.