Sprayers locked up passengers, sprayed the subway, then disappeared into the tunnel. Police showed video
Criminal investigators are searching for an 11-member group that caused a two-hour stoppage of B line traffic between Černý Most and Florence stations early Saturday morning by spraying metro cars. The sprayers escaped from police officers by running directly into the metro tube. The video showing their actions shows that they had prepared very well for the action.
Source https://idnes.cz/sprejeri-policie-tubus-metro-rajska-zahrada-video