Israel kept up its deadly bombardment of Gaza as Washington vetoed a UN Security Council resolution that called for a ceasefire in the Palestinian territory. Global powers trying to navigate a way out of the spiralling crisis have so far come up short, and mediation efforts have so far failed to secure a truce to halt the fighting. But in New York, Washington vetoed a UN Security Council resolution drafted by Algeria, which demanded an immediate humanitarian ceasefire and the “unconditional” release of all hostages. The veto provoked criticism from countries including China, Russia, Saudi Arab…