Gardaí are appealing to anyone with information to come forward.

The incident took place during the early hours of this morning.

Detective Chief Inspector John Caldwell was shot multiple times at a sports centre in Omagh.

Investigations into the matter are continuing.

'A man in his 30s was arrested and is currently detained at a Garda Station in County Monaghan'

'Gardaí in Monaghan detected the driver travelling at a high-speed on the N2'

'The incident occurred yesterday in the border village of Derrylin'