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REFILE-London Bridge attacker already convicted of an Islamist terrorism-related offence- report

(Refiles to fix typo)

LONDON, Nov 29 (Reuters) - A man who stabbed two people to death in London and injured three more on Friday before being wrestled to the ground by bystanders, in what the authorities called a terrorist attack, had been convicted of an "Islamist terrorism-related offence", The Times newspaper reported.

He was released from prison about a year ago after agreeing to wear an electronic tag, The Times said, citing unnamed government sources. (Reporting by Costas Pitas; Editing by Sandra Maler)