Singer Bebe Cool's fans were left in utter shock after they were left in dark for about 15 minutes during President Museveni's speech at Kololo Airstrip.
Howwe has been informed that the cause of the power blackout was the shortage of fuel.
Silk Events, the service provider had not stocked enough fuel for the second generator.
The emergency generator had been taken over by President's team to run their equipment.
In the process of the blackout, Silk events team had to rush to the nearest fuel station to get fuel for the second generator.