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Mikaeel Kular: 'Criminal act' a possibility in case

17 January 2014 Last updated at 18:22 GMT

Police are investigating the possibility that three-year-old Mikaeel Kular has gone missing following "a criminal act", a senior officer confirmed.

Mikaeel has not been seen since being put to bed at his home in Ferry Gait Crescent, Edinburgh, on Wednesday night.

Superintendent Liz McAinsh also thanked the hundreds of volunteers who have joined the search for the missing boy.