The Department of Foreign Affairs is advising Irish people in Thailand to exercise a high degree of caution after four people died in a series of bombs in popular resorts.

Thai police have detained two men for questioning, over an attack on the seaside town of Hua Hin.

It's thought devices were hidden in plant pots and detonated remotely with mobile phones.

This business owner in Hua Hin witnessed one of the explosions: