Besigye's wife has repeatedly criticised his detention conditions, describing them as inhumane and alleging a plot to kill him.

KAMPALA, Uganda (AP) — Ugandan opposition leader Kizza Besigye appeared to collapse in court on Wednesday during a trial in which he is facing treason charges.

Besigye’s wife, UNAids executive director Winnie Byanyima, and others say the opposition leader's health is failing