Two men in their 20's and 70's have been arrested
Two men have been arrested by detectives investigating the attempted murder of a police officer in the North.
Detective Chief Inspector John Caldwell was shot in February as he coached a youth football team in Omagh.
This morning a 28-year-old man was arrested following the search of a house in the Omagh area.
Meanwhile, a 70-year-old man was also arrested following the search of a property in the Dungannon area.