<sod > Kisier was at Salisbury District Hospital receiving treatment for a head wound when he gave his guards the slip at 7pm Police officers and dogs are searching the area and a helicopter is also assisting in the search.< eod>< sod >  Kisier was at Salisbury District Hospital receiving treatment for a head wound when he gave his guards the slip at 7pm 'We've had the helicopter out. We have also been trained to use drones so they've been out into rural areas, working alongside the helicopter to search fields at night time in close detail,' he said. 'He is not a local, he has no known local ties and he's left without money and we believe no mobile phone.'  Kisier's real name is Michal Kisiel and he sometimes uses the spelling Michael.< eod>