Ukrainian President Poroshenko has said he is open to a prisoner swap for the pilot.
As many as 500 protesters gathered in central Kiev to support the captured pilot.
Nadia Savchenko's five-month trial is coming to an end.
Opposition politicians have spoken out against imprisoning the protesters.
The Post reacted strongly to the conviction Sunday night.
The former general gave classified information to a reporter he was having an affair with.
Lee Joon-seok, the captain of the Sewol ferry which capsized in April, killing 304 passengers, has been found guilty of negligence, but not homicide, and jailed for 36 years
South Africa's state prosecutors will appeal the culpable homicide conviction and five-year jail sentence given to the Olympic and Paralympic star last week