It is understood that the man, who was 39 and from Dublin, was in his cell, which he shared with another prisoner, when he died.

The Irish Prison Service said the cause of death is determined by the Coroner’s Office

The Irish Prison Service said it had invested in new technologies and beefed-up security measures at its sites.

The recommendation by the Office of the Inspector of Prisons comes from an investigation into the death of a man in Wheatfield Prison

Officers investigating the smuggling of controlled drugs and contraband into prisons have carried out searches.

The incident involving a lorry and a motorcycle happened shortly after 10am on the northbound carriageway of the M50 between Junction 7 (N4 Liffey Valley) and Junction 6 (N3 Castleknock).