The strike on Hezbollah’s stronghold in Lebanon's capital is a major escalation adding to fears of an all-out war.

As tensions remained high Friday between Hezbollah and Israel, international leaders called for both sides to seek paths to de-escalate the conflict.

Israel launched one of its most intense bombardments against Hezbollah targets in Lebanon this year Thursday, hours after the militant group’s leader condemned deadly twin attacks that he said crossed “all the red lines.