A court in Minsk, Belarus, begins the first hearings related to anti-government rioting following the presidential elections on the 19th of December last year.
Vasily Parfenkov, an opposition activist for ex-presidential candidate Vladimir Neklyaev, is in the dock.
In all, more than 40 people, including two Russian citizens, are facing charges over the riots.
Under the Belarussian law, they may be face jail terms of up to 8 years.
More than 600 people were detained on December 19 in Minsk when opposition supporters took to the streets to protest against Alexander Lukashenko`s re-election as the country's leader.