Lebanese state media reported a series of new Israeli strikes in the country’s south on Saturday night, after attacks earlier in the day killed six people despite a recently extended ceasefire in the war between Israel and Hezbollah.

The new attacks followed orders from Israeli Prime Minister Benjamin Netanyahu for the military to “forcefully attack Hezbollah targets” after the army accused it of breaching the truce.

Lebanon’s health ministry had said earlier that “Israeli enemy strikes on a...