Israel-Gaza-Lebanon live updates: Israel claims it has killed Nasrallah’s replacement

Hezbollah Deputy Secretary-General Naim Kassem said Tuesday that the Iran-backed group will not be cowed by Israel’s ongoing air and ground campaign in Lebanon.

“The longer the war goes on, the deeper Israel will find itself in trouble,” Kassem said in a video address delivered from an unknown location. Prime Minister Benjamin Netanyahu “can say that he wants war, but he cannot achieve his goals from it,” he added.

More Israelis in the north of the country will be displaced as Hezbollah expands its operations, he said.

Hezbollah will continue cross-border attacks and “expanding the range of the missiles,” the leader said.

“This war has not affected our will and will not affect our determination to confront,” Kassem said. “Our resistance on the front is cohesive and the administration is cohesive.”

“Our resources and capabilities remain in good shape,” Kassem said, despite weeks of intense Israeli airstrikes across Lebanon. “Our command and control is solid. Look at how our operations have increased in the last few days.” Still, Kassem also said Hezbollah supports Lebanese government efforts to secure a cease-fire.

Kassem said the U.S. bears responsibility for the ongoing war. “Israel and America and the West are trying to put more pressure on us to make us afraid,” he continued.

“Without American support, the Israeli aggression would have stopped within a month,” Kassem said.

-ABC News’ Joe Simonetti and Somayeh Malekian