Four people remain in a critical condition in hospital following yesterday's explosion at a tyre recycling factory in Co Louth.
It happened at 9.30am yesterday at the Crumb Rubber factory near Dromiskin.
It is understood a fire had broken out at the factory and the explosion occurred as firefighters tried to bring it under control.
Two fire-fighters and two workers are being treated at a specialist burns unit in St James's Hospital in Dublin.
Three other people are in a stable condition in Our Lady of Lourdes Hospital in Drogheda.