Siebel, whose prosperity has increased with the technological boom, has reduced close to one-third of its workforce since the end of 2001.
Siebel, whose fortunes soared with the tech boom, has cut nearly one-third of its workforce since the end of 2001.
They were held under Section 41 of the Terrorism Act 2000 on suspicion of involvement in the commission, preparation or instigation of acts of terrorism.