Adel Yahya AHMED is one of the accused in the events of 21st July 2005
He is accused of:
CONSPIRACY TO CAUSE EXPLOSIONS LIKELY TO ENDANGER LIFE OR CAUSE SERIOUS INJURY TO PROPERTY, contrary to Section 3(1)(a) of the Explosive Substances Act 1883 (From http://www.met.police.uk/vivace/index.htm )
Adel Yahya AHMED was arrested on 20th December 2005. See the following 2 reports:
From this Daily Telegarph report here
Man held over July 21 attempted bombings
Anti-terror police have arrested a 23-year-old man in connection with the attempted London bomb attacks on July 21.
The man, from Tottenham, north London, was held at 5am this morning as he arrived at Gatwick Airport from Addis Ababa, Ethiopia.
He was held on suspicion of the commission, preparation or instigation of acts of terrorism under the Terrorism Act 2000.
The man was arrested in a low-key operation by unarmed officers from Scotland Yard's Anti-Terrorist Branch, supported by Sussex Police.
He is suspected of providing logistical support to those alleged to have been involved in the July 21 bombing attempt.
It is believed he had been out of the country since June 
Another report by the BBC on 22nd December 2005 is HERE
So Mr. Adel Yahya AHMED was out of the country from June 2005 until December 2005, yet he is still up for CONSPIRACY TO CAUSE EXPLOSIONS on 21st July 2005?
Man charged over 21 July attacks
Shepherd's Bush was one of the targeted stations
Police investigating the failed 21 July London bomb attacks have charged a man with conspiracy to cause explosions.
Adel Yahya, 23, was arrested at Gatwick Airport on Tuesday, after arriving on a flight from Addis Ababa, Ethiopia.
Scotland Yard said it believed he had been out of the UK since June.
As well as the five other men already charged with direct involvement in the alleged 21 July plot, 10 others face lesser charges including failing to disclose information about suspects and assisting them to evade arrest.
Something is odd here ....& Why were people still getting arrested in January 2007 under the charge of failing to disclose Hamdi Isaac's location, when Isaac was already in Police custody (since circa 20th September 2005)?
& Note the number of related family members detained. This Guardian article lists other names/relationships of some of the other accused.
A further 10 people charged in connection with the failed attacks were also due to appear before the court via video link.
They include Mr Osman's wife, Yeshiemebet Girma, 29, and her younger sister Mulumebet Girma, 21, who are charged with failing to disclose information about Mr Osman and with helping him to evade arrest.
Their brother Essayas Girma, 20, of Stockwell, south London, is also charged with failing to disclose information about Mr Osman, his brother-in-law, and with assisting him in evading arrest. Mohamed Kabashi, 23, of Mary Magdalene Road, Brighton, faces the same two charges.