omarion evan steyn thanks for joining me russian police are warning activists not to join protests in support of the jailed opposition leader alexei navalny and security forces have sealed off parts of cities including st petersburg where demonstrations are planned later on sunday nearly 4000 people have been detained at rallies since not all his arrest earlier this month. russian all thora t's are determined to prevent any repeat of the mass protests which followed the arrest of alexina valmy much of sin petersburg has been barricaded against demonstrations professionals warn they will crack down hard on troublemakers but that is dealing just the looking interior ministry and other lauren foresman units will use all necessary means to ensure public order. any violent action against offices or refusal to a bay their lawful orders will be prevented individuals who commit illegal acts will be detained and held accountable but he caught. a moscow court has ordered novell his brother own leg and several other supporters not to leave their homes they are alleged to have breached coronaviru