As the U.S.-led coalition presses ahead with its air campaign against Islamic State and other militant groups in Syria, the tug of war among regional and world powers over Lebanon is intensifying.

The Syrian regime, Russia and Iran—through their local ally Hezbollah—are pressing the Lebanese government and its security forces to lend support in the widening regional conflict. A visiting senior Iranian official publicly offered the Lebanese army an unspecified grant on Tuesday to help fight “the wicked terrorism” on the border with Syria.

“The [U.S.-led] coalition is meaningless in the fight against terror and the coming days will prove it,” Ali Shamkhani, the secretary of Iran’s powerful Supreme National Security Council, said before traveling to Damascus for meetings with Syrian President Bashar al-Assad. […]