It began with a peace move nobody wanted and ended with an experimental missile strike so rare in war Moscow gave a 30-minute heads-up to Washington.

Ukrainian President Volodymyr Zelenskyy said Thursday that his “insane neighbor” is once again showing the world its true nature, “its disdain for dignity, freedom, and human life itself.

Russian President Vladimir Putin said his forces may use a new missile again after targeting Ukraine in retaliation for Kyiv’s use of American and British-made weapons on Russian territory this week.