The two men who were arrested in connection with an explosion in Creeslough have been released without charge.
Ten people died in the explosion at an Applegreen petrol station in the Donegal town on October 7th 2022.
The victims were aged between five and 59-years-old.
Two men in their 50s were arrested yesterday morning in connection with the explosion.
A Garda spokesperson said the men were arrested on suspicion of offences contrary to the Non-Fatal Offences Against the Person Act 1997.
It is understood Gardaí are not investigating any planned or deliberate criminal activity at the moment.