Political changes in the US and elsewhere are creating a “window of opportunity” to discuss peace with Russia, Ukrainian President Volodymyr Zelenskyy said ahead of talks with US envoys in Dublin.

Thousands of schools in Europe were targeted by bomb threats, leading to evacuations and adding to the recent disruption across the continent that grounded planes and saw supermarket fridges hacked.

Ireland’s government reached a tentative pay agreement with public sector unions, averting a strike planned for Thursday by around 300,000 workers that would have affected schools, hospitals and local authorities.