Lebanon is facing a “perfect storm of unpredictable challenges” as conflict, mass displacement and dwindling humanitarian resources converge, the UN’s Resident and Humanitarian Coordinator in Lebanon, Imran Riza, has warned. The current escalation began on 2 March, when outgoing fire by Hezbollah drew a strong retaliation from Israel. Since then, the intensity of exchanges has increased, with heavier fire from Hezbollah and intensified attacks and some ground incursions ... [4261 chars]