It follows the Roscommon Roads Policing Unit stopping a articulated lorry yesterday travelling over the speed limit near a school.

The man in his 40s was pronounced dead at the scene.

Two men, aged in their 20s and 40s and a woman in her 50s were arrested.

Anyone who noticed anything suspicious in the area on the night in question is asked to contact their local Garda Station.

The men, both aged in their 40s, remain in custody at a Garda Station in Longford at this time.

A female and two males aged in their 30s were detained at Garda stations in the North Western Region.

It was found on inspection that the driver had no licence and they had a forged insurance disc.

A man in his 30's was detained after 62 thousand euro was found when Gardaí stopped and searched a car on the Dublin Road in Mullingar yesterday evening.