The treason trial of Tanzanian opposition leader Tundu Lissu entered its final submissions stage on 23 September 2026, with prosecutors and the defence presenting closing arguments before a three-judge panel of Tanzania’s High Court in Dar es Salaam, according to The Citizen. Lissu, chairman of the opposition Chadema party, faces a single charge of showing intent to threaten the government, in connection with allegations that he incited the public to prevent the country’s 2025 general election.
What the case turns on
Prosecutors cite remarks in which Lissu is reported to have said “we will block the election, we will incite rebellion” and that the election “we will truly disrupt it.” Lissu has acknowledged making those statements but disputes that they amount to the offence with which he is charged, The Citizen reported. His defence closed on 18 September, after he gave his own testimony and three security officials he had sought to call as witnesses declined to testify. The panel, led by Judge Dunstan Ndunguru alongside judges James Karayemaha and Ferdinand Kiwonde, will now deliberate on a verdict; no date for a ruling has been announced. The charge carries a potential penalty of death under Tanzanian law, though no sentence can be imposed unless and until Lissu is convicted. Lissu, a long-serving lawmaker and repeat presidential candidate, chairs Chadema, Tanzania’s largest opposition party, and has previously survived an assassination attempt in 2017. The case is one of the most closely watched legal proceedings to come out of the unrest that surrounded Tanzania’s October 2025 general election.
Why It Matters
The outcome of the trial will be closely watched as a test of how Tanzania’s courts handle a prominent opposition figure’s political speech, at a moment when the country is still absorbing the fallout from a contested 2025 election. Whatever the verdict, the case has become a marker of the space available for opposition politics in Tanzania.





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