1.   Although statistics are not compiled on prison disturbances nationwide, Ms. Gainsborough said most prison experts believe such rebellions are on the rise.

2.   The other two did not qualify for release because one had previously been convicted on weapons charges and the other had participated in a prison disturbance.

3.   The other two did not qualify for release because one previously had been convicted on weapons charges and the other had participated in a prison disturbance.

4.   The rioting at the Devoto prison was the latest in a series of prison disturbances that have swept Argentina.