Sarath Fonseka, Sri Lanka's former military commander turned political challenger turned prisoner, appeared at a closed-door court martial on Tuesday. Protesters calling for his release were dispersed with tear gas.
Sri Lanka Tamils may have been freed from camps because of the politics surrounding upcoming elections as much as international pressure.
After defeating the Tamil Tigers this spring, the country has delayed the return of more than 250,000 displaced Tamils, citing concerns about mines and potential terrorists.
In the first election in 11 years Saturday, a pro-rebel party won the most local-council seats in Vavuniya and came in second in Jaffna.
The campaign against the Tamil Tigers appears to be ending. But deep ethnic divides behind the conflict remain.
While the military is making gains on the Tamil Tigers, it could become mired in guerrilla attacks.
A rush-hour bomb blast killed dozens near Colombo, Friday. Earlier, the Army announced it had recaptured a key church.