Holland Safety Commission and the Malaysia official on September 9th at 5 pm Beijing time published the first report of MH17 crash, 34 pages.

The report says, there is evidence of the Boeing 777-200 probably by high-energy objects from external penetration in aerial disassembly, no evidence of mechanical failure or unit human error, aircraft was recorded from normal state directly cease abruptly, the report will be the cause of the crash refers to external factors.
What is "a large number of high-energy object"?

In fact, it is very simple, there are a lot of air defense missile guidance precision and kill probability due to problems in execution, high air task using fragmentation rather than the kinetic impact. "Beech" with 70 kg of energetic fragment warhead.

Energetic fragment warhead explosion near the target, with prefabricated fragments of thousands, debris cloud toward the target areas with kinetic energy, to form a larger range, enough to break the aircraft flight control and attitude of the key hydraulic piping, wiring and engine blades, lead plane got out of control and fall to the ground.