How missiles from Yemen could escalate Israel-Gaza war

In practice, Washington will be reluctant to raise tensions any further in a region already nervous about spill-over from the war in Gaza. But if the Houthis in Yemen continue to fire missiles beyond their borders, then eventually the US may decide it needs to retaliate by targeting those missile launch sites. If that happens then there follows the risk that Iran, which supports the Houthis, could also retaliate, potentially leading to the nightmare scenario of a direct conflict between Iran and the US. For now, this is something both sides wish to avoid.