Leo Varadkar, speaking ahead of an EU summit in Brussels, has said that there was "no one event" behind his decision to step down as Taoiseach.Northern Ireland First Minister Michelle O'Neill has said that Leo Varadkar's decision to step down as Taoiseach should trigger a general election.
Video: GettyOpposition leaders have called on the Government to hold a general election after Leo Varadkar announced that he will be standing down as Taoiseach.
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