Yemeni supporters of the separatist Southern Movement

At least 22 people were killed on Wednesday in tank and mortar shelling by rebel forces on residential areas in Yemen's second city Aden, a medic and a local official said.
"Twenty-two dead and more than 70 wounded have been transferred to several hospitals in Aden," a medical official told AFP, adding that most of the casualties were civilians.
A local official confirmed that rebel forces "randomly shelled... civilian homes" Mualla and Crater districts of Aden.