Israel's devastating campaigns against Iran's regional allies have severely weakened its arch-enemy's ability to project its power, but Yemen's Tehran-backed Huthi rebels remain a stubborn thorn in its side, analysts say.
With the ranks of Palestinian group Hamas and Lebanon's Hezbollah decimated after more than a year of war, and with the fall of Bashar al-Assad in Syria removing a key link in Iran's anti-Israel "axis of resistance", the Huthis have emerged as Israel's most immediate security concern.
