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.

The Houthis then responded with an apparent missile attack on Israel. The Israeli military said that it attempted to intercept the two missiles launched by the Houthis, but they appeared to make impact, though no injuries have been reported. Sirens sounded in the West Bank and along the Dead Sea.

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

Israel struck Houthi targets at three Yemeni ports and a power plant overnight, in the country’s first attack on Yemen since the Israel-Iran ceasefire.