The officials said today the fighting in al-Jawf province killed 18 of the Hawthi rebels and 22 tribesmen who are backed by an army unit and allied with the Muslim Brotherhood's Islah party. The battle left dozens of wounded on both sides.
The officials said tribesmen have managed to take control of Hawthi positions some 175 kilometres (109 miles) east of the capital Sanaa.
The officials spoke on condition of anonymity because they were not authorized to brief reporters.