Senior intelligence officials initially dismissed suggestions the July 7 bombings were al Qaeda linked, it has been claimed.
Chris Driver-Williams, a former senior IED analyst for the Defence Intelligence Staff said his claim provoked laughter at a meeting of intelligence agencies on the morning of the bombings.
One senior intelligence officer attending the Cobra meeting said the idea of an al Qaeda link was “absurd”.
“When I suggested this at Cobra, I was met with laughter. This was by people in the intelligence community who knew their onions,” Mr Driver-Williams said.
“Someone senior from an intelligence organisation said: ‘Who are you and what possibly qualifies you to come out with such an absurd statement?”‘