Ireland, Norway and Spain have officially recognised Palestine as a separate state.
Israel has recalled its ambassador from Dublin in protest.
Taoiseach Simon Harris said: "Today Ireland, Norway and Spain are announcing that we recognise the state of Palestine, each of us will undertake whatever national steps are necessary to give effect to that decision. I am confident that further countries will join us in taking this important step in the coming weeks."
The Irish government argues that recognition supports a two-state solution, which it said is essential for lasting peace in the region, which has been at the centre of Israel's offensive against Hamas since October.
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