Following his Panorama Special on Sunday 10 July 2005, exploring the new threat posed by terror attacks, Peter Taylor answered your questions in a live online video Q&A session on Monday 11 July 2005 at 1600 BST.
The many and varied questions answered include ones about the nature of the threat, what may have driven the the attacks and how the government can best combat terrorism.
Please note: at the end of the broadcast Vivian White says that the next Panorama is at 9pm on Wednesday. It is in fact at 7pm (1900 BST) on Wednesday.
Peter Taylor's latest series, "The New al-Qaeda", will be shown on BBC Two starting on 25 July 2005 at 2100 BST.