UPDATE, 6:02 PM: The French daily Le Monde is reporting tonight that one of the three suspects in the Charlie Hebdo shootings early this morning in Paris has surrendered to police. Agence France-Presse said Hamyd Mourad, 18, who was ID’d as one of the suspects in the killing of 12 people at the offices of the satirical magazine, turned himself in.

The other two suspects, identified as brothers Said Kouachi and Cherif Kouachi, both Frenchmen, still were being sought, according to Le Monde.

Earlier this evening, NBC News was the first and only outlet to report that one of the suspects was killed as the manhunt centered on Reims, a town northeast of Paris. NBC News Justice Correspondent Pete Williams cited two U.S. counterterrorism officials in the original story; later, he appeared on MSNBC and wrote on NBCNews.com, in both instances indicating the U.S. officials were no longer certain whether that information was accurate. Several media outlets include Deadline reported the NBC News headline.

PREVIOUS, 4:03 PM: Senior U.S. counterterrorism officials officials have told NBC Nightly News that one of the suspects in the Charlie Hebdo terror attacks in Paris today has been killed and two other suspects have been arrested by French police.

An anti-terror raid was being conducted late Wednesday night north of Paris in the town of Reims.

CHARLIE-HEBDO-PARIS-SHOOTING-facebookThe three suspects had been identified as French nationals and brothers Said and Cherif Kouachi, 34 and 32 respectively, and Hamyd Mourad, 18. All three men are reportedly from the same French suburb of Aubervilliers.

French President Francois Hollande has declared Thursday a day of mourning in France following the worst terror attack on French soil in two decades. 12 people were killed after the gunmen stormed the Paris headquarters of French satirical magazine Charlie Hebdo.

The attacks have drawn outrage and condemnation across the world.