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Derry video: Police say video showing officers leaving woman in bus lane was 'horrendous'

19 March 2014 Last updated at 12:57 GMT

PSNI Assistant Chief Constable George Hamilton has described video footage that appears to show police officers leaving a incapacitated woman in a bus lane as "horrendous".

Mr Hamilton said the police service exist to keep people safe and that video showing officers leaving the woman in a bus lane "does not look good".

The Police Service of Northern Ireland (PSNI) said it would refer the matter to the Police Ombudsman.