Israel and Hezbollah trade heavy fire before pulling back [Video]

Israel launched a wave of airstrikes across southern Lebanon early Sunday in what it said was a preemptive strike on Hezbollah. The militant group responded that it had launched hundreds of rockets and drones to avenge the killing of one of its top commanders last month.The heavy exchange of fire does not appear to have ignited a long-feared war, but the situation remains tense. Meanwhile, Egypt on Sunday is hosting high-level talks aimed at brokering a cease-fire in the 10-month-old Israel-Hamas war in Gaza, which diplomats hope will tamp down regional tensions.The Israeli military said it struck because Hezbollah was planning to launch a heavy barrage of rockets and missiles toward Israel. Soon after, Hezbollah announced it had launched an attack on Israeli military positions as an initial response to the killing of Fouad Shukur, one of its founding members, in an Israeli airstrike in Beirut last month.By mid-morning, it …