Houthi forces are advancing on Jabal Sabr, the strategic mountain overlooking Taiz, Al Jazeera’s correspondent on the ground reports.
Houthi fighters have besieged the city and cut off the main road to Aden, which serves as the interim capital of Yemen’s internationally recognised government.
The UN has warned that “time is running out” to deliver aid to the 800,000 people trapped inside the city.
