CLEAN : Lagos in lockdown as Africa virus closures spread

The video begins with initial observations and setting the scene, followed by an investigation into a situation where people were seen running through a back door. Due to the inability to contact anyone involved and following a governor's directive, a decision was made to shut down the area and ensure everyone stays at home.

What did the speaker mean by 'to do a sort of sensation'?

What actions were taken as a result of the situation described?