These were the events leading up to the trial of seven British men accused of planning to set off explosions in the UK using chemical fertiliser.

September 2001: Mohammed Junaid Babar leaves America for the Pakistan/Afghanistan border vowing to kill American soldiers a week after his mother escapes death in the twin towers attack. He meets accused Waheed Mahmood.

November 2002: Babar comes to England to raise money for jihad in Afghanistan and meets the "Crawley Lot".

April 2003: Babar comes to Britain again and some of the accused tell him of plans for a weapons training camp in Pakistan.

June 2003: In Pakistan, Omar Khyam tells Babar that he wants to "do operations" in the UK, hitting pubs, nightclubs and trains. Khyam and Salahuddin Amin had received explosives training in Kohat.

July 2003: Four members of the group travel to a training camp in Malakand posing as tourists visiting lakes and glaciers, even taking photographs of themselves.

They carry out a successful explosion using between 0.5kg and 1kg (2.2lb) of ammonium nitrate, and aluminium powder, making a U-shaped hole under the ground.

November 2003: Fertiliser is bought from Bodle Brothers in Burgess Hill, Sussex. It is stored at Access storage in Hanwell, west London.

February 11 2004: Chatroom email intercepted between Khyam in England and Amin in Pakistan during surveillance of Luton associates. Khyam targeted after he said he had ammonium nitrate for explosives.

February 20 2004: The fertiliser is discovered after staff at Access call in the police. Undercover surveillance is intensified and fertiliser switched with safe substance.

On the same day, Canadian Mohammed Momin Khawaja arrived in London for two days and goes to an internet cafe with Omar Khyam to show him how electronic devices to set off bombs are constructed.

February 22 2004: Khawaja is taken to the airport. Later, Khyam and Akbar are recorded talking about possible targets.

March 19 2004: Waheed Mahmood is recorded talking about hitting the Bluewater shopping centre in Kent.

March 29 2004: Khawaja is arrested in Ottawa, Canada. His home is searched and a fake mobile phone, jamming device and a decoder board which would activate a detonator were found.

March 30 2004: Arrests made in England followed by detention of Babar in America a few days later.

April 2 2004: Amin surrenders to authorities in Pakistan and is detained without charge by local military intelligence, ISI. Claims to have been tortured before confessing.

April 6 2004: Khyam was due to fly to Pakistan with his brother Shuja.

February 2005: Amin arrested in a British Airways plane on arrival at Heathrow from Pakistan.

June 2005: Babar pleads guilty to 13 charges in New York. They include being part of the fertiliser conspiracy, aiding al Qaida and setting up a terrorist training camp.

March 21 2006: Seven defendants go on trial at the Old Bailey. Babar gives evidence against them. Jury retires March 16 2007.

April 30 2007: Five of the defendants, including Khyam, found guilty at the Old Bailey.

Khawaja due to go on trial in Ottawa for terrorism offences. Babar due to give evidence before being sentenced in America.