Two of four men arrested in a counter-terrorism operation last weekend have now been released without charge, police said.
Scotland Yard said a 28-year-old British national of Azerbaijani origin arrested last Sunday on upmarket Westbourne Grove in west London had been released without charge.
Earlier, a spokesman confirmed a 29-year-old British national of Pakistani origin arrested in Peckham, south-east London, had also been freed.
Two 25-year-olds are still in custody following a swoop where marksmen used special ammunition to stop a car on Mansell Street, near the Tower of London.
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