New York City nurses are striking for a third day Wednesday, with both sides seemingly preparing for a protracted walkout. None of the three major hospital systems affected by the strike have met with union negotiators, though one said it plans to sit down with nurses Thursday. Picketing nurses instead held a rally at a Bronx hospital in which their leaders took aim at hospital administrators who they say are mischaracterizing their contract demands.

Ukrainian President Volodymyr Zelensky has removed his former chief of staff Andriy Yermak from the National Security Council amid a sprawling corruption investigation that has rocked Kiev. Yermak is also no longer a member of the Stavka, the high command of Ukraine's armed forces, according to two presidential decrees published on Friday.

"Archaeologists did not expect to find such well-preserved structures in such a harsh setting," geologist Yves Fouquet said.