Hello, i� m christian fraser. You� re watching the context on bbc news. The first votes of the 2024 us president ial campaign will be cast in just under three hours� time on the frozen tundra of iowa. Subzero temperatures are forecast across the state tonight, setting the stage for what could be the coldest Caucus Day on record. American officials say a us owned ship has been hit with a missile off the coast of yemen. There were no injuries or significant damage, but it does suggest the houthis are digging in for a fight. We will get reaction to that. And in gaza, hamas has released a video that purports to show the bodies of two israeli hostages they were holding who they claim were killed in israeli air strikes