(AGI) Washington, July 18 - President Barack Obama suggested onFriday that pro-Russian separatists were responsible forshooting down a Malaysian passenger plane on Thursday."Evidence indicates that the plane was shot down by asurface-to-air missile that was launched from an area that iscontrolled by Russian-backed separatists," the President said,continuing: "These separatists have received a steady flow ofsupport from Russia, including anti-aircraft weapons." Inresponse to the crash, he demanded an immediate ceasefire. . .