LATEST: These are the scenes as forensic teams scour properties after off-duty policeman DCI John Caldwell was shot in front of young son - 24 images

Forensic officers searched a property in Drumnakilly, outside Omagh, where a vehicle was abandoned and set alight overnight.

The property is near to the sports complex in the Killyclogher Road area of Omagh, Co Tyrone, where off-duty PSNI Detective Chief Inspector John Caldwell was shot a number of times by masked men in front of young people he had been coaching.

Mr Caldwell remains in a critical but stable condition in hospital following the attack on Wednesday evening.