Yemen's Houthi rebels, who were threatened with an air and naval blockade by Israel on Tuesday, are one of Iran's few allies still standing since the Gaza war spilled across the Middle East. WHAT IS THE HISTORY OF THE HOUTHIS?

This is the first time that Israel has conducted direct attacks against the Iran-aligned Houthi rebels through its naval forces rather than with airstrikes. View on euronews

The Israeli army and Houthi-controlled media reported the strikes on Hodeidah, a key port for humanitarian aid imports, on Tuesday. An Israeli official said an “aerial and naval blockade” could follow unless Houthi rebels halt attacks on Israel.