NEW : At least 5 protesters are dead and 90 wounded in Taiz , a medical official says . Government troops battled suspected Islamic militants for control of a coastal city in Yemen , witnesses said , two days after many soldiers and police abandoned the city . Hundreds of government troops battle militants in Zinjibar , witnesses tell CNN . The fighting has left at least 10 people killed so far this week alone. Mediators try to work out a truce between tribal groups and the government .
NEW : At least 5 protesters are dead and 90 wounded in Taiz , a medical official says . Hundreds of government troops battle militants in Zinjibar , witnesses tell CNN . The fighting has left at least 10 people killed so far this week alone. Mediators try to work out a truce between tribal groups and the government .