In April 2026, which two permanent members of the UN Security Council exercised their veto powers to block a resolution concerning maritime security in the Strait of Hormuz?

Resolutions within the UN Security Council can only be vetoed by its permanent members ($\text{P5}$), which include the USA, UK, France, Russia, and China. Based on the options provided, only Russia and China hold the structural veto authority necessary to defeat such a Security Council resolution.