Nairobi Governor Mike Sonko has revealed how contractors lose materials to their workers.

Share news tips with us here at Hivisasa

In an exclusive video by the county, two workers were captured hiding a cement after they were left to work on a project.

The video will be an eye-opener to many contractors as well as other builders who are conned by the very same people they have entrusted their materials with.

Though Sonko did not exactly say where the incident took place, one can tell from the video that it is in Nairobi where a contractor is repairing a road.

Here is the video