A moment of horror enters the back of a vehicle parked in Castleblayney, Monaghan County, in a deadly state

THIS is the horror collision in Monaghan County, which has made a dead and a guardian in serious condition.

The shocking images, captured by CCTV, show a silver Audi A6 stolen from the corner of Castleblayney's main street, with the door open.

The vehicle then loses control and sinks to the rear of a parked Octavia Skoda, causing it to crash into a nearby pole.

The Audi stops then and the suspect man leaves the vehicle, hands in the air.

Gardai quickly arrives at the scene and forces the man to stand against the car before knocking him down.

Meanwhile, a garda is helped on the pbadenger side of the Audi. He tries to get up but bends to the ground.

Stephen Marron, 47, who was seated in the Octavia, was declared dead at the scene following the horror around 11:30 pm last night.

It is understood that a guard was trying to stop the Audi near Castleblayney Garda station shortly before the collision.

It is thought that the car then started and that the Garda was dragged by the car for about 500 m before it crashed onto the Skoda.

The garda suffered injuries to the leg, head and face and was transported to the Notre Dame de Lourdes Hospital in Drogheda, but was released earlier in the day.

The driver of the Audi, aged 34, was arrested immediately and is currently being held at the Carrickmacross Garda station.

Tragic Stephen was badistant badton at St. Mary's Church in Castleblayney and St. Patrick's Church in Oram in Muckno Parish.

Canon Shane McCaughey, Priest of Muckno Parish, said: "Stephen was the reference man of all the inhabitants of Muckno Parish.

"He was a disciple of Jesus Christ who asked his disciples to love God and to love his neighbor.

"Stephen testified to his faith by the generosity and kindness he showed to all those who needed it most."

PA: Press Association

The GSOC confirmed that it was conducting an investigation into this fatal incident.

Their investigators arrived on the scene this morning to conduct their own investigations at the scene of the accident.

It is understood that they will focus on the interaction between the driver of the Audi vehicle and that of the garda that led to the tragic accident.

In a statement, the Garda mediator said: "The GSOC was seized by the Garda Síochána, pursuant to Article 102 of the Garda Síochána Act 2005, following an incident during the night in Castleblayney, Monaghan County.

"A man was fatally injured by a vehicle driven by a member of the public following a conversation with a Garda member in the Garda station.

"The referral was made pursuant to Article 102 of the 2005 Law on the Garda Síochána, which provides for an independent investigation into any case that appears to indicate that the conduct of a member of the Garda Síochána could have cause death or serious harm to a person.

"The GSOC has deployed a team of investigators to the scene and the incident review is continuing."