Police are searching for 60-year-old with links to Bromley who has failed to comply with his obligations as a registered sex offender.
William Knowles, also known as Sean McCalpine, has a history of grooming and sexually abusing children, and is known to target vulnerable mothers in order to gain access to their children.
As a registered sex offender, he is required to regularly update the authorities of his whereabouts.
He has links to Bromley, Southwark and Lambeth.
Police advise the public not to approach McCalpine, but to but call 101 or 999, quoting ref 2179/15Sep.
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