The leader of Russia's only registered anti-war party said he will stay in the country and keep pushing for change, despite increased pressure from the authorities that has led to the party's exclusion from upcoming parliamentary elections.

Russia's Supreme Court on Monday barred the country's only anti-war party, Yabloko, from contesting September's parliamentary elections.

When 18-year-old Karina learnt the party she supported ahead of her first parliamentary election in Russia was barred from contesting, she was shocked -- but also surprised by…