Israel’s military launched airstrikes targeting ports and facilities held by Yemen’s Houthi rebels, with the rebels responding with missile fire targeting Israel.

Israel carried out it first strikes against Houthi targets in Yemen since the Israel-Iran ceasefire, attacking ports and a power plant around midnight local time Sunday night into Monday morning.

Israel and Iran-backed Houthi rebels exchanged missile fire on Monday as Israeli forces targeted Yemeni ports they say are used for weapons transfers.