French troops policed the streets in the aftermath as investigators scoured six bloody crime scenes and shock hovered over the city after the deadliest attack on French soil since Nazis invaded in World War II.
French President Francois Hollande vowed a “merciless” response to the slaughter after ISIS claimed responsibility.
The assailants, working in three teams, attacked concert-goers, cafe diners and soccer fans in at least six locations in the French capital. Paris prosecutor Francois Molins said that seven attackers were killed in the carnage, including six who blew themselves up with suicide belts. Authorities earlier had said eight attackers were involved.
One American, a college student from California, has been identified among those killed. Nohemi Gonzalez, 23, a junior at Long Beach State, was spending a semester studying in Paris. The U.S. State Department said other Americans were among the wounded.
Belgium’s justice minister said Saturday that several arrests connected to the attacks were made in Brussels, the Associated Press reported. Minister Koen Geens told the VRT news outlet in Belgium that the arrests were connected to a rental car with Belgian license plates that was seen close to the Bataclan theater, one of the Paris sites where victims were killed.
Speaking early Saturday, Hollande pointed the finger at ISIS for orchestrating the “cowardly” attacks which he described as an “act of war committed by a terrorist army” and organized from abroad. He said France remained “unbreakable,” calling for “unity and courage.”
Hollande added: “We will work alongside our allies to fight this terrorist menace … France is strong and even if she is wounded she will get up always and nothing will hold her down, even if we are feeling the grief now … We will defend ourselves.”
Earlier, Hollande vowed to be “merciless” with the nation’s foes.
A statement issued by ISIS later claimed responsibility for the attacks, according to global security firm and NBC News analyst Flashpoint Intelligence. ISIS has previously threatened France due to its military operations against the group in Syria and Iraq.
All museums, schools and libraries in Paris were ordered closed Saturday as investigators searched for clues following the bloodshed. The Eiffel Tower, Louvre museum and nearby Disneyland theme park were also shut.
The Bataclan concert hall in the lively 11th arrondissement was the scene of the night’s worst carnage. Dozens of people died there when gunmen opened fire during a sell-out concert by American band Eagles of Death Metal.
“We are at war,” France Prime Minister Manuel Valls tweeted. “And this war, we will win.”
ISIS released an undated video Saturday urging Muslims who are unable to wage holy war in Syria to carry out attacks in France, according to an unclassified FBI document.
“Indeed, you have been ordered to fight the infidel wherever you find him,” an unidentified ISIS militant says in the video. “What are you waiting for? There are weapons and cars available, and targets ready to be hit.”
A French official close to the investigation confirmed to NBC News that a Syrian passport was found on one of the attacker’s bodies. The passport holder entered the European Union through Greece last month, a Greek official said Saturday.
It was not immediately clear whether the attacker was the passport holder.
The violence came less than a year after deadly attacks on satirical magazine Charlie Hebdo and a kosher supermarket drove home the threat of Islamist terrorism here.
“This time it’s war,” pronounced Saturday’s front page of Le Parisien newspaper.
The attackers held hundreds of people hostage before blowing themselves up. Footage obtained by Le Monde showed concert-goers hanging from venue’s third-floor windows while others ran for their lives out a rear exit.
French police stormed the venue after midnight, killing one assailant while two others detonated suicide belts. The wounded, many in critical condition, were rushed to waiting ambulances as sirens wailed.
Sylvain, a 38-year-old concert-goer, collapsed in tears as he recounted the attack to the AP.
“There were shots everywhere, in waves. I lay down on the floor. I saw at least two shooters, but I heard others talk. They cried, ‘It’s Hollande’s fault.’ I heard one of the shooters shout, ‘Allahu Akbar’ [‘God is greatest’],” he said, speaking on condition that his full name not be used out of concern for his safety.
Several neighborhood bars were transformed into trauma units to treat and receive survivors.