Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Medical Workers of US-Based Group Killed in Syria's Idlib Sirwan Kajjo Two medical workers affiliated with a U.S.-based medical group were killed Wednesday in an attack in northwestern Syria, the medical relief group said. A third medical volunteer was killed in the same attack. Six airstrikes targeted an ambulance center in the town of Ma'aret Hurmeh in Idlib province, said the Syrian American Medical Society (SAMS) in a statement. The facility and the ambulance were completely destroyed, the group added. "These blatant crimes and violations of [international humanitarian law] must be investigated to hold perpetrators accountable," said Mufaddal Hamadeh, SAMS President. Local reports said the airstrikes that targeted the medical facility in Idlib were carried out by Russian warplanes. The medical workers "were killed in the airstrikes as they were trying to rescue civilians wounded in the ongoing aerial bombardment," Horrya Press, an opposition website said. .