Iran's "Axis of Resistance" in Disarray: A New Era of Instability in the Middle East The sudden demise of Iranian Supreme Leader Ali Khamenei in a US-Israeli air campaign has sent shockwaves throughout the Middle East, leaving the region teetering on the brink of chaos. As the commander-in-chief of the "axis of resistance", Khamenei's death has decapitated the leadership of a network of groups allied with Iran, forcing them to confront a stark reality: choose between suicidal revenge or local survival. For decades, Iran's proxies in Lebanon, Yemen, and Iraq have been its frontline of defence. However, with Khamenei's death and the crippling of Iran's logistical arteries, this alliance now resembles a series of isolated islands. The era of strategic patience, as warned by Hassan Ahmadian, a professor at the University of Tehran, is over. Iran has vowed to retaliate against the US and Israel "with a force they have never experienced before". But its proxies are torn between their ideological loyalty to a fallen leader and local existential threats that may outweigh their commitment to Tehran. In Beirut, Hezbollah, long considered Iran's crown jewel in the region, has issued a cautious response to Khamenei's death. While condemning the attack as "the height of criminality", the group's statement has been defensive, not offensive. This hesitancy is rooted in the loss of the "land bridge" that supplied Hezbollah, severing the group's physical link with Tehran. With top leaders of Iran's Islamic Revolutionary Guard Corps (IRGC) killed alongside Khamenei, Hezbollah is caught between a battered domestic front in Lebanon and a vacuum of orders from Tehran. In Yemen, the Houthis face an even more precarious situation. While their leader, Abdel-Malik al-Houthi, has declared his forces "fully prepared for any developments", his rhetoric has emphasized that Iran is "strong" and its response will be "decisive". This phrasing is seen as an attempt to deflect the immediate burden of war away from the Houthis, who are under immense pressure to contain their domestic front while navigating a volatile regional landscape. As the dust settles on Khamenei's death, one thing is clear: the Middle East is entering a new era of instability. Iran's proxies are torn between their loyalty to Tehran and local survival, while the US and Israel are poised to capitalize on the chaos. With