Police detain him overnight for questioning on his return home from abroad.
Nguyen Lan Than is detained at Hanoi's Noi Bai airport.
Dinh Nhat Uy, handed a suspended prison sentence, decries his verdict as ‘absurd.’
They want authorities to abolish a penal code provision used to try him.
The duo had been held without trial for four months.
Cu Huy Ha Vu is protesting ‘violations of his basic rights’ in prison.
They are released after being detained for up to two days.
Le Quoc Quan tells them his verdict is unfair and he should have been acquitted.
The independence hero had led stunning defeats of French colonial and American forces.
Le Quoc Quan maintains his innocence, saying he’s a ‘victim of political acts.’
Scores are killed in Cambodia, Vietnam, and other countries.
Authorities say people planning to travel to the court will face ‘difficulties.’