He has spent 20 days in jail, ever since he refused to testify in a closed trial.

The sentences were passed down by the military judge after a three-day closed trial.

Lawyers for Okah said a closed trial was an infringement of his rights and asked a superior court to overturn the decision.

The assassin was sentenced to death in a closed trial in 1995.

The closed trial lasted for two and one-half months.

Since taking power the council has overseen the trial of 16000 people in closed military trials, including bloggers, journalists and protesters.

The closed military trial began on February 7.

It urged him not only to hold a closed trial, but also to conduct it without a jury.

"I didn't know him then, but we protested against the closed trial and against the fact that a man could be arrested for his words."

He was sentenced to death in a closed trial in 1995, but the sentence was not carried out.