Employees of the State Bureau of Investigations (SBI), together with the Security Service of Ukraine (SBU) and the National Police, are carrying out large-scale filtration measures to identify enemy's sabotage groups and its agents, the SBI reports.

"Relevant events are taking place in all regions of Ukraine. Law enforcement officers are checking everyone who moves across the territory of our state or has moved recently. The key goal is to identify Russian sabotage groups and agents working on the order of the occupier," the message posted on the Telegram channel says.

The State Bureau of Investigations asks Ukrainians to treat inspections with understanding and help law enforcement officers.

"If you have identified suspicious persons in trains, buses, other vehicles, immediately take a picture of them and report them to the hotlines: SBI: +38 (044) 300 27 07, SBU: 0 800 501 482 or by a police number: 102," the message says.