The trial of Belarusian human rights activist Andrey Bandarenka has started in Minsk.
The director of the Platform Innovation human rights group was arrested on April 1 and charged with hooliganism.
Bandarenka is suspected of assaulting people in three different cases. He denies the charges.
If found guilty, Bandarenka may face up to 10 years in jail.
His group, Platform Innovation, was created in 2011. It has been involved in defending rights of inmates in Belarusian prisons.