Staff at an Inverness psychiatric hospital have joined forces with Northern Constabulary to crack down on the use of illegal drugs.

New Craigs Hospital staff contacted the police after patients who had been taking cannabis and amphetamine began threatening staff with violence and intimidating patients to prevent them reporting the situation.

The problem came to light about two weeks ago, when it was discovered that patients authorised to leave the hospital during the day were returning at night with drugs and making them available to other patients.

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