Peter Reeve sought after PC Ian Dibell shot in Clacton

10 July 2012 Last updated at 02:13 ET Help

The hunt for a gunman suspected of killing an off-duty policeman in Essex has continued through the night.

PC Ian Dibell, 41, was shot dead in Clacton-on-Sea on Monday afternoon.

His chief constable said he had been a "brave neighbourhood officer", as Jason Kaye reports.

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