Dec. 12, 2004 — -- A Ukrainian presidential candidate's chief of staff believes "Soviet Union … sort of KGB experts" were behind a plot to poison his candidate, the aide told ABC News' "Good ...

The research suggests Yushchenko faces an increased risk of heart attack, cancer, diabetes, muscle aches, irritability, fatigue, immune deficiency and other less severe symptoms, but it is unclear how ...

VIENNA, Austria - Dioxin poisoning caused the mysterious illness of Ukrainian opposition leader and presidential candidate Viktor Yushchenko, doctors said Saturday, adding it could have been put in ...

VIENNA, Austria -- Ukrainian presidential candidate Viktor Yushchenko was poisoned with dioxin, doctors said Saturday, adding that the highly toxic chemical could have been put in the opposition ...

Yushchenko's supporters expressed little surprise Saturday as the medical report spread through the protesters' camp in Independence Square. "Everybody knew he was poisoned so we didn't really need ...

Yushchenko, whose face remains badly scarred from dioxin poisoning he blamed on Ukrainian authorities, built on the momentum of round-the-clock protests that echoed the spirit of the anti-communist ...