MSF says that the ambulance driver was killed in an airstrike on the northern town of Dahyan yesterday. The media center of the Shiite Houthi rebels says that 26 people were killed during the bombing of Dahyan.
Officials say 22 were killed in strikes on the capital, Sanaa.
The officials spoke on condition of anonymity because they were authorized to speak to the press. Since the beginning of the air campaign in March 2015, more than 5,800 people have been killed.