Yemen's Iran-aligned Houthis confirmed on Saturday that they had launched an attack on Israel for the first time during the current Israeli-U.S. war against Iran, marking their entry to the conflict and raising the prospects of a broader regional confrontation.The war, now in its fifth week, has spread across the Middle East, killing thousands and causing the biggest disruption ever to energy supplies, hitting the global economy and fuelling inflation fears.Israel said it intercepted the missile from Yemen, but few details were immediately available, including who fired it and at what target.The announcement came hours after Iran-aligned Houthis said they were prepared to act if what the group called an escalation against Iran and the "Axis of Resistance" continued in the war launched by the U.S. and Israel on February 28.Broadening war