An Irishman, whose sister and niece were killed in the 9/11 attacks, has told of his fear that the terrorists responsible for the atrocity could one day walk free.

A Cork man, whose sister and niece were killed in the 9/11 attacks, has said he is “bitterly frustrated” that five suspects, who were captured a decade ago, have still not been tried.

The annual September 11 commemoration ceremony in the US has started with the tolling of a bell and a moment of silence.

A rusted piece of airplane landing gear discovered wedged between two New York City buildings has been confirmed as coming from the type of Boeing jet used to destroy the nearby World Trade Centre on September 11.

The chief prosecutor for the Guantanamo Bay military tribunals said that he is seeking to withdraw one of the eight charges against five men accused of planning and aiding the September 11 terrorist attacks.

The man who called himself the “mastermind” of the September 11 attacks, and four comrades, are back before a military judge in Guantanamo Bay to face charges that could lead to their execution.

The man who once bragged about planning September 11 "from A to Z" may mount a defence after all to charges that he orchestrated the worst terror attack in US history, with families of the dead watching intently from the US on closed-circuit TV.

Partial remains of several victims of the September 11 2001 attacks on the United States were incinerated by a military contractor and sent to a landfill site, a government report said.

A judge in New York has recommended terror group al Qaida be assessed $9.3bn for the damage done to properties and businesses in the September 11 2001 attacks.

The accused mastermind of the September 11 terrorist attacks said he welcomed martyrdom at US hands, as he and four codefendants asked to be tried for war crimes without the benefit of lawyers.

Military lawyers for Khalid Sheikh Mohammed, the confessed mastermind of the September 11 attacks, and four alleged co-conspirators are seeking to have the charges dismissed, it has emerged.

A staircase at the World Trade Centre that proved a lifeline for countless September 11 escapers and survived the devastation will be moved from the site his weekend.

Doubts were raised today over the outcome of the trial of the September 11 six, only a day after it was announced they would face criminal charges.

Six men have been charged with committing a total of 169 offences in the September 11 2001 terror attacks, the Pentagon said today.

Six Guantanamo Bay detainees have been charged over the September 11, 2001 terror attacks and US military prosecutors will seek the death penalty, the Pentagon said today.

Six Guantanamo Bay inmates will be charged for the September 11 attacks on America today, officials said.

Al-Qaida leader Osama bin Laden urged sympathisers to join the “caravan” of martyrs as he praised one of the September 11 suicide hijackers in a new video that emerged today to mark the anniversary of the attacks on the World Trade Centre and Pentagon.

Al-Qaida's media operation today announced that it will release a new video of Osama bin Laden presenting the last testament of one of the September 11 suicide hijackers, marking the sixth anniversary of the attacks.

Transcripts show that suspected September 11 mastermind Khalid Sheikh Mohammed confessed to the beheading of American journalist Daniel Pearl, according to a revised transcript released by the US military.

The September 11 attacks, the Bali bombing and plots against British targets were among the confessions of Khalid Sheikh Mohammed during a military hearing at Guantanamo Bay, Cuba, according to a transcript released by the Pentagon.

Khalid Sheikh Mohammed, the suspected mastermind of the September 11 attacks, confessed to that attack and a string of others during a military hearing at Guantanamo Bay, Cuba, according to a transcript released by the US military.