TEL AVIV, Israel—Israel’s prime minister said Sunday he holds the Lebanese government responsible for rocket fire launched from its territory, whether the Hezbollah terrorist group launched the weapons or not. Prime Minister Naftali Bennett’s comments came days after one of the heaviest flareups in violence between Israel and Hezbollah in several years and indicated Israel could expand its response if the rocket fire continues. “The country of Lebanon and the army of Lebanon have to take responsibility (for) what happens in its backyard,” Bennett told his Cabinet. Over several days last week, militants in Lebanon launched a barrage of rockets into Israel, drawing rare Israeli airstrikes in Lebanon. On Friday, Hezbollah fired additional rockets toward Israel, and Israel responded with heavy artillery shelling. “It is less important to us if it’s a Palestinian organization that fired, independent rebels, the state of Israel won’t accept shooting on its land,” Bennett said. …