BRITISH extremists were behind the bombing of a Russian jet over Egypt, intelligence experts believe.
They were overheard celebrating moments after the explosion that blew the plane apart, killing all 224 on board.
The jihadis were heard talking in Birmingham and London accents by spies at GCHQ in Cheltenham.
Trained in Syria and with an electronics background, it is believed they may have had a hand in building the bomb.
The success of the attack could inspire them to target British airports next, a former Special Branch officer warned last night.
GCHQ, the Government’s secret listening centre, picked up “chatter” from extremist groups in Egypt immediately after the Russian plane came down.