Relieved to be out of the fighting, they also chafe at strict rules and often grim conditions.
Just days after a defiant air attack, the LTTE has proposed a cease-fire in the where its fighters are boxed in by a military advance.
Yasin Ismail's case highlights the difficulty of verifying conditions of confinement.
With Guantánamo set to close, more attention is falling on the US military facility in Afghanistan and those in custody there.
Gaza doctors add to the growing number of accounts that suggest Israel used white phosphorus munitions against international norms of war.
The release of four hostages Sunday marks an attempt by FARC to regain public credibility after a devastating year, say analysts.
More access by Red Cross workers is likely, but legal analysts are split on whether the prison camp will be less punitive after an Obama-ordered review.
The UN evacuated about 300 people Thursday but human rights groups say a humanitarian crisis is looming.