'Putin has made mistakes' - Kremlin challenger

Opposition politician Boris Nadezhdin has said he has more than 100,000 signatures to register for Russia's upcoming presidential election.

President Vladimir Putin "has made lots of mistakes", he told the BBC, "not only the special military operation, he destroyed the constitution of Russia".

"My aim is to make Russia a great peaceful and free country," he said.

Read more about Putin's would-be opponent here.