Israel launched its most extensive series of airstrikes on the Dahiyeh suburb of Beirut on Thursday, as well as Ain Qana in south Lebanon, stating it targeted Hezbollah drone production and storage facilities.

The airstrikes on the southern outskirts of the Lebanese capital, an area where Hezbollah holds sway, were some of the heaviest since a U.S.-brokered cease-fire came into effect in November.

The Israeli military has struck several sites in Beirut’s southern suburbs that it said held underground facilities used by Hezbollah for drone production. The attack Thursday came on the eve of