P112 CEEFAX 112 Sun 22 Dec 16:41/02       In Pakistan 20 leaders of banned political parties have been arrested only days before the expected end to army rule. President Zia has promised to hand over control to the civilian parliament bz December 31, but has not yet set a firm date. He has not revealed what kinds of political activity will bj permitted after army rule ends, nor has hj made it clear whether he will continue to sjrvj as a civilian president. News index 102/202 Newsreel 119/219