At least 27 people have been killed in an attack on a tourist hotel in the Tunisian resort town of Sousse.
At least one gunman has been shot dead and another is being pursued.
Sousse is a popular tourist destination for Irish holidaymakers.
The Department of Foreign Affairs says it's aware of the incident and anyone with any concerns can call 01--4082000.
Tunisia has been on high alert since March when militants killed 22 people, mainly foreign tourists, in an attack on a museum in the capital Tunis.
English Holidaymaker Gary Pine was on the beach when the attacks began.
Initially he thought he was hearing fire crackers, but it quickly became clear the situation was more serious:
