Abu al - Hassan has been jailed in Bahrain for more than 20 years . U.N. officials claims he was forced to make false statements . Bahrain says it has ` ` zero tolerance '' for torture .
Tagi al-Maidan has been jailed in Bahrain for more than two years . U.N. group claims he was forced to make false confession . Bahrain says it has `` zero tolerance '' for torture .