A new round of Israeli airstrikes in Yemen on Thursday targeted the Houthi rebel-held capital of Sanaa 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,

Israeli forces unleashed a series of deadly strikes on the Yemeni capital Sanaa and the western city of Hodeidah on Thursday, according to Houthi-run media, killing at least four people and injuring more than a dozen others.

The conflict between Israel and the Iran-backed group has widened significantly in the week since a Houthi missile struck Tel Aviv.