U.S. vetoes UN Security Council resolution calling for an immediate ceasefire in Gaza Strip.

U.S.-led negotiations for six-week pause in fighting under which Hamas would release more than 100 remaining Israeli hostages in exchange for detained Palestinians. President Biden, under pressure at home and abroad, has become increasingly direct, calling Israeli military tactics "excessive" The remaining 15 members of the Council voted in favor of the Algerian resolution, which also called for the release of all hostages.