MOSCOW - An interim commission of Ukrainian parliament is planning to investigate into the issue of possible poisoning of opposition presidential candidate Viktor Yushchenko.

Ukraine's political future depends on the results of this investigation, Rossiya (Russia) television quoted commission head Vladimir Sivkovich as saying.

According to Sivkovich, Austrian clinic Rudolfinerhaus, which examined Yushchenko, must present to the commission the materials of the examination, including the results of the medical tests.