Queen of Katwe

Uganda's Queen of Katwe star Nikita Pearl Waligwa dies aged 15

Nikita Pearl Waligwa had been diagnosed with a brain tumour.

The 2016 film was based on the true story of Phiona Mutesi, who took up chess aged nine despite not being in school and went on to compete in international tournaments.

It starred Lupita Nyong'o as her mother and David Oyelowo as her chess teacher.

Waligwa played the role of Gloria, a friend of Phiona who explained the rules of chess to her.