Gardai attended the scene in Tobersool shortly after 11:20pm on Thursday

The two-car collision happened in Co Meath at 6.10am

Gardaí are appealing to the public for information

One of the officers is critically ill with head injuries following the attack

Gardai have said they investigating all of the circumstances surrounding the discovery of the man

John Paul Ward, 36, of Parkmore estate, Tuam, Galway, was released on bail on Saturday after being accused of carrying out a robbery at Morgan's pharmacy on Thomas Street, Dublin 8, on Friday

Patrick Ward, aged 52, has been missing from Ardee, Co. Louth since Wednesday, December, 11. Patrick was last seen at approximately 7.30pm

Dr. Martin Finnerty sustained injuries which proved fatal while walking in the Church Lane area of Ballinrobe shortly after 6.30 p.m. on Thursday December 12

Last night, a suspect was arrested and sources say he had the Gardaí's mobile phones on him when arrested.

A spokesman said 178 people were arrested during this period for driving under the influence of alcohol or drugs