The militant group said 16 of its members were killed in Friday’s attack in Beirut, which Lebanon’s health minister said left a total of 31 people dead.

Israel launched a rare airstrike that killed a senior Hezbollah military official in a densely populated southern Beirut neighborhood on Friday. It was the deadliest such strike on Lebanon’s capital in decades,

The Israel Defense Forces has confirmed that three Israeli hostages whose bodies were recovered from Gaza in December were “most likely” killed as a result of an Israeli airstrike.

U.S. National Security Adviser Jake Sullivan on Saturday said he was worried about escalation between Israel and Lebanon but that the Israeli killing of a top Hezbollah leader brought justice to the Iran-backed group.

Hezbollah fired medium-range rockets toward areas south of Haifa on Sunday morning local time, significantly expanding the range of its attacks against Israel. Why it matters: Most of the rockets were intercepted by Israel or hit open areas but the attack signaled another escalation in the fighting between Israel and Hezbollah.

Explosions light up the Israel-Lebanon border as tensions escalate. Hezbollah reportedly fires over 100 rockets at northern Israel, while the IDF retaliates with massive airstrikes targeting Hezbollah strongholds.