6m ago / 6:39 AM EDTU.K. stands with U.S. 'in memory of those we lost,' says Prime Minister Britain's Prime Minister Andy Burnham offered his condolences on Friday, noting that "time may pass, but I know the grief is still felt just as deeply today."He also paid his respects to the 67 Britons killed, stating that "terror still knocks on the door of democracy, but the United Kingdom and the United States stand together in memory of those we lost, and in defense of the values we cherish."25m ago / 6:20 AM EDTSons of 9/11 firefighter grew up to carry on their father's legacyTwenty-five years after losing their father — FDNY firefighter Frank Palombo — on 9/11, the Palombo family reflects on grief, community support and a legacy carried forward. 48m ago / 5:57 AM EDTA ceremony to honor victims of 9/11 and the World Trade Center bombing of 1993The National September 11 Memorial and Museum commemoration at Ground Zero in New York this morning will center on the victims of the terrorist attacks on Sept. 11, 2001, as well as the World Trade Center bombing in 1993. During the ceremony, the names of all 2,983 fallen will all be read by family members of victims. Each year since 2001, six moments of silence were observed at the times each of the World Trade Center towers was struck and fell, the times corresponding to the attack on the Pentagon and the crash of Flight 93. This year, a seventh moment of silence will honor the thousands of people who have died from 9/11-related illnesses or injuries in the years since the attacks.While former presidents, members of Congress, current White House officials will attend, political figures are traditionally asked not to make any speeches at the ceremony.48m ago / 5:57 AM EDTHillary Clinton warns the U.S. has let its guard down on terrorismFormer Secretary of State Hillary Clinton warned Thursday that the Trump administration isn’t doing enough to monitor and thwart terrorists who still pose a threat to the U.S., 25 years after the 9/11 attacks.“I worry a lot that we’ve let down our guard on counterterrorism, and I don’t say this to scare anybody or to exaggerate, but I think we are not paying enough attention to resurgent terrorist actions,” Clinton said in an interview with NBC News’ Andrea Mitchell at the VOICES 25th Anniversary Symposium, an event reflecting on the attacks.Clinton, who was a U.S. senator from New York on 9/11, said that there have been many “close calls” with terrorist plots in the ensuing quarter century and some that succeeded.“The threat did not go away — it receded — but it is still there, and there are still many thousands of extremists in the world who wish us a great deal of ill,” she said. Clinton argued that the U.S. needs to overcome its internal divisions and confront threats from both nation-state adversaries, like Russia, China and Iran, and nonstate adversaries, like terrorist groups.For more, read the full story here. 48m ago / 5:57 AM EDTA massive American flag will be unfurled from the PentagonThe Pentagon, where 184 people were killed when the defense building was attacked, will stage the first official ceremony of the day with a large American flag being unfurled against the side of the building at 6:46 a.m. The tradition began when a group of first responders and soldiers unfurled a massive American flag in the same fashion on Sept. 12, 2001.