The Russian government did not immediately comment on the downed fighter planes. But a spokesman for the Russian Foreign Ministry issued a forceful statement on Wednesday accusing the Ukrainian government of making false accusations against Russia, specifically in relation to the downed passenger jet.

"Instead of cooperating with a thorough and unbiased international investigation into the causes of the accident, the results of which would then be made public, with maximum transparency, the Kiev authorities daily and hourly come up em>Malaysian experts pored over smaller pieces of wreckage for a second day, and expressed surprise "at how much access we have," Mr. Bociurkiw added, but as for other foreign experts, "it's not like our door is being broken down."