The army bomb disposal unit were called to deal with a suspected viable explosive device on Dooagh beach in Achill last night.
Gardaí were alerted when a walker spotted the suspicious device shortly after 9pm last night. The area was sealed off overnight by several units of the Achill coast guard until the bomb disposal unit arrived.
The army bomb disposal unit from Athlone arrived on the scene at around 5am. this morning and removed the object from the beach.
It has since been confirmed that the device was a marine flare. After being assessed it was removed for destruction.