Israel launched major airstrikes on the southern suburbs of Beirut after rocket attacks from Hezbollah broke a standing ceasefire.The UN Security Council is convening an emergency meeting to address the intensifying conflict that has displaced over one million people.US officials are facilitating new negotiations aimed at ending the violence through a mutual cessation of hostilities between the parties.Conflict in the region has caused more than 3,400 deaths since escalation began, with diplomatic efforts currently stalled by conflicting demands.