The American strikes come amid an intensifying, parallel drive by U.S. ally Israel, which has launched its own series of airstrikes on Houthi targets in response to recent missile and drone attacks on Israel that, while mostly intercepted, have struck some civilian sites and have sent millions seeking regular refuge in bomb shelters.

Israel’s military says it intercepted a missile fired toward the country by Yemen’s Houthi rebels. The attack set off sirens late Monday in central areas of Israel, including Tel Aviv.

Israel launched strikes on Houthi-held Yemeni ports after missile attacks, intensifying the Middle East conflict. The Houthis attacked Tel Aviv with ballistic missiles, escalating tensions. Israeli airstrikes impacted Yemeni infrastructure and caused casualties,

The Houthis in Yemen launched their fifth missile attack on Israel in a week late Monday, as Israeli officials ratcheted up their warnings to the Iranian-backed group. The Houthis’ repeated attacks show that Israel’s retaliatory strikes and tough talk have failed to deter the group,

The Houthis are far away from Israel and use ballistic missiles and drones to threaten Israel. Hezbollah suffered a drubbing in a two month war from September 23 to November 27, but they are saying that at the end of the 60-day ceasefire that began in late November,

Yemeni militia Ansar Allah, also known as the Houthis, has stunned the U.S. with a bold missile attack on Israeli cities. The assault came from the same area that was previously targeted by U.S.-led forces.