The civilian death toll from two Israeli airstrikes in Lebanon has risen to 10, Lebanese state media reported Thursday, making the previous day the deadliest in more than four months of cross-border exchanges. The Lebanese militant group Hezbollah has vowed to retaliate for Wednesday’s strikes, which hit in the city of Nabatiyeh and a village in southern Lebanon, just hours after projectiles from Lebanon killed an Israeli soldier. More Israeli strikes were reported in south Lebanon on Thursday and Lebanon’s caretaker Prime Minister Najib Mikati condemned the escalation. “At a time where we are…