fire. the malaysian airline colors visible, clothing, passports, a vacationer s travel guide. a sign that these are the parts of the plane blown up in the sky. flight 17 took off from amsterdam just after noon local time. just over four hours into the flight to kuala lumpur, malaysia, cruising at 33,000 feet, it crosses ukraine near russia s border. that s when something goes terribly wrong. the u.s. says it believes the plane was shot down by a single surface-to-air missile. shot down. not an accident. blown out of the sky. reporter: the government of ukraine has been locked in a battle with pro-russian separatists, who want to break parts of the country off to join russia. ukraine accused those separatists of shooting the flight down over a rebel-controlled area. ukraine releasing what they say