UTV reporter Marc Mallett has been told by a a consultant from Belfast's Royal Victoria Hospital that the symptoms of those taken to hospital following a major incident at a concert are consistent with 'drugs and alcohol misuse'.
Consultant at RVH says symptoms of those treated tonight are consistent with drugs & alcohol misuse. Major incident not yet stood down
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Police warned people not to approach the 32-year-old if they spotted him.
A witness said that the animals may have been spooked by the sound of a horn.
A fire engulfed much of the landmark building on Friday night.