Yemen government announces major operation to retake Houthi territory

• But it is not yet clear whether this represents a new phase in the conflict.
• The frontline in Yemen remains focused around the key city of Taiz, which is still controlled by the internationally recognised government.
• The Houthis are engaged in a fierce battle with government forces for control of the region, as they seek to secure coastal areas and, by extension, the Bab al-Mandab Strait.