At least 3.7 million people, including world leaders, marched in anti-terrorism rallies in Paris and elsewhere in France on Sunday, French officials said, calling the massive gathering in the nation's capital the largest in France's history. The day was emotional and peaceful, a gesture of unity just days after Islamic extremists slaughtered 17 people.

The terror attack on the offices of Charlie Hebdo newspaper were as brutal as they were efficient. Within minutes, 12 people were dead, 11 more were wounded and the gunmen managed to shoot their way through multiple encounters with police.

City Council members are joining the fight to extend the Zadroga Act for ailing 9/11 first responders.

A resolution pushing for extension of the act, which funds health treatment and compensation for cops, firefighters, workers and area residents sickened after exposure to Ground Zero toxins, will be introduced Wednesday by Councilwoman Margaret Chin (D-Manhattan). More.

It's been more than a decade since the 9/11 report was released, and the leader behind the effort is pushing President Barack Obama to hand over the final 28 pages to the American public.

Those redacted pages from the congressional investigation into the attacks specifically focus on the role of foreign governments in the al Qaeda plot. More.

Today is the fourth anniversary of the passage by Congress of the James Zadroga 9/11 Health and Compensation Act. We at 911 Health Watch would like to take this time to note the many ways in which the Zadroga law has helped those who were impacted by the health crisis caused by the September 11th attacks.

A new memorial to 9/11 victims is a step closer to completion, following a successful benefit concert that raised $75,000 for the cause.

The indie-roots band Dispatch, preceded by local artists Caroline Jones and The Ian Murray Band, rocked the house at Garcia's, an intimate venue inside the Capitol Theatre in Port Chester, N.Y. A member of Dispatch, Pete Francis Heimbold, grew up in Riverside and went to Brunswick School. More.

Former President George W. Bush paid an unannounced visit to the 9/11 museum Sunday evening, and spent an hour somberly looking at the exhibits.

“He was clearly moved by the museum and its contents,’’ said a law-enforcement source. Bush arrived at 6 p.m. with his security detail while the museum was still open to the public. More.

The U.S. military on Monday canceled a pretrial hearing for the accused mastermind of the Sept. 11, 2001 attacks, an al Qaeda figure prominently mentioned in last week's Senate report on the CIA's harsh Bush-era interrogation program for terrorism suspects.

The military commission at the U.S. detention facility in Guantanamo Bay, Cuba, was supposed to discuss allegations the FBI tried to infiltrate legal defense teams, according to the court's docket. More.