Reportedly, on the 9th of August 2023, Umwari went to Lake Kivu alongside her companions with the intention of gathering wood sticks. However, unforeseen circumstances unfolded as these children veered away from their initial plan and chose to engage in swimming activities.

Despite having limited swimming skills, Umwari joined her peers in the water, and unfortunately, led to her drowning.

Saïba Gashanana, the executive secretary of Bwishyura Sector has told IGIHE that immediately following the incident, the Police Marine unit initiated a search and rescue operation.

"Her body was successfully recovered in the morning of Thursday 10th of August 2023, and was subsequently taken to Kibuye Hospital. Her body has been already buried," he stated.

Gashanana issued an earnest appeal to parents, urging them to maintain close supervision over their children, particularly during holiday periods, in order to prevent tragic incidents like this. He emphasized the importance of discouraging children from wandering near Lake Kivu to mitigate the risk of avoidable fatalities.