Two men who were arrested, in connection with the fatal explosion at a building complex at Creeslough in Donegal in 2022 have been released without charge.
The men, aged in their 50s, were questioned in relation to their work on a gas installation at the site of the blast that killed 10 people.
Gardai said the investigation is ongoing with the intention of submitting a file to the Office of the Director of Public Prosecutions.
