The news of his demise was announced on Twitter by President Yoweri Museveni, who gave no information on the cause of death.

Mr Oulanyah, 56, had held the speaker's position for about 10 months.

His transfer from a local hospital to Seattle had sparked public uproar over the high cost of his treatment abroad.

President Museveni described the deceased speaker as "a good cadre".

Burundian President Evariste Ndayishimiye said he learned of the death with "sorrow and sadness".

Ugandan opposition leader Bobi Wine sent "deep condolences to his family".

Veteran opposition politician Kizza Besigye sent "his sincere and heartfelt condolences" to the family.