Israeli forces unleashed a series of strikes on the Yemeni capital, Sanaa, and the western city of Hodeidah on Thursday, killing at least six people and injuring dozens more, the Iran-backed Houthis said in a statement where it vowed to retaliate.

DEIR AL-BALAH, Gaza Strip (AP) — Houthi rebels in Yemen said Israeli airstrikes on Thursday targeted the rebel-held capital of Sanaa and the port city of Hodeida, following several days of Houthi launches setting off sirens in Israel.

JERUSALEM — A new round of Israeli airstrikes in Yemen on Thursday targeted the Houthi rebel-held capital and multiple ports, while the World Health Organization’s director-general said the bombardment occurred nearby as he prepared to board a flight in Sanaa, with a crew member injured.