A police helicopter is searching for a wanted person around Stevenage.
Martin Connors, 27, was last seen leaving the Lister Hospital at about 10.20am today.
Eye-witnesses report a helicopter circling the skies around the A1 and A602.
Connors is wanted for escaping lawful custody.
He is white, 6 ft 5ins, wearing a grey tracksuit and has links to Tottenham. His last known address was Goring Road, Wood Green.
Anyone with information should contact Herts police on 101.
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