Al-Qaida supergrass row deepens

William Hague faces calls for answers over Mohammed Junaid Babar, trainer of 7/7 bomber, freed after five years

http://www.guardian.co.uk/world/2011/feb/14/al-qaida-supergrass-hague

• Video: 7/7 victim's father on Babar
• 7/7 leader 'tried to convert children to radical Islam'