A court sentenced dissident playwright Vaclav Havel to nine months in jail for disturbing the peace during a recent protest marking the Soviet-led invasion of Czechoslovakia, the official news agency CTK said.

Havel was one of nine dissidents charged with disturbing public order and hooliganism. The trial of the other dissidents was to resume Wednesday.The nine were detained Jan. 16 during illegal celebrations marking the anniversary of the death of Jan Palach, a student who set himself ablaze to protest the 1968 invasion. They were marking the suicide by trying to place flowers at a statue in Prague's Wenceslas Square.