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Police chief quits over memo leak Police chief quits over memo leak
(10 minutes later)
Britain's most senior counter-terrorism officer has resigned after inadvertently revealing details of a highly secret police operation.Britain's most senior counter-terrorism officer has resigned after inadvertently revealing details of a highly secret police operation.
Mayor of London Boris Johnson said it was "with great sadness" that he had accepted Assistant Commissioner Bob Quick's resignation.Mayor of London Boris Johnson said it was "with great sadness" that he had accepted Assistant Commissioner Bob Quick's resignation.
Police had brought forward raids after Mr Quick revealed secret papers to photographers when arriving at No 10. Police had brought forward raids after Ast Com Quick revealed secret papers to photographers when arriving at No 10.
Twelve men are in custody after raids in north-west England. Twelve men are in custody after the swoop in north-west England.
Mr Johnson told BBC Radio 4's Today programme Ast Com Quick had a "very, very distinguished" career and that the incident had been "extremely unfortunate".
There had been no witch hunt or effort to hound him out, he said.
Assistant Commissioner John Yates will replace Mr Quick as head of counter-terrorism, he added.