The Israeli military said on Monday that it killed a high-ranking artilleryman of the Shiite Hezbollah militia in a targeted airstrike in southern Lebanon. Mohammad Mustafa Ayoub is said to have been a key figure in the rocket division of the Nasser unit in southern Lebanon. He allegedly planned and carried out attacks against Israeli civilians and communities in the north of the country. Hezbollah confirmed the killing of one of its fighters by Israel on Monday but gave no further details about his identity. The Nasser Unit is one of three Hezbollah troop units in southern Lebanon. On Wednesd…