A humanitarian mission entered the devastated city of Oleshky on Friday, officials said, as Russia and Ukraine observed the most significant truce of the 4½-year war that began with Moscow's full-scale invasion of its neighbor.

President Donald Trump and first lady Melania Trump handed out candy to hundreds of costumed kids outside the White House residence at Thursday's annual Halloween celebration.

Ukrainian, Russian and U.S. negotiators reached a deal Friday to provide humanitarian assistance in the Russian-occupied town of Oleshky, in the war-divided region of Kherson in southern Ukraine.

President Donald Trump on Monday directed the federal government to bolster federal research into women's health, a move pushed by his wife, first lady Melania Trump.