ST PETERSBURG, RUSSIA - SEPTEMBER 21, 2022: Police officers detain a protester during an unauthorised rally against a partial mobilisation announced by Russia's President Vladimir Putin on September 21, 2022. The Russian Armed Forces are carrying out a special military operation in Ukraine in response to requests from the leaders of the Donetsk People's Republic and Lugansk People's Republic for help. Alexander Demianchuk/TASS/Sipa USA