dubai bahrain king hamad bin isa al khalifa issue decree tuesday reorganize national security agency appoint lieutenant general adel bin khalifa al fadhel new president effective immediately state news agency say nsa decades central sunni muslim-ruled kingdom efforts overcome protest occasional violence members country shi ite muslim majority king also issue decree appoint sheikh talal bin mohammed bin khalifa al khalifa deputy interior minister august three bahraini human right group accuse gulf arab monarchy nsa systematic use torture security official say time would investigate allegations 2011 bahrain put uprise pro-democracy activists many shi ites monarchy believe opposition seek overthrow force accuse iran aid deadly militant attack security force home u.s. fifth fleet bahrain deny opposition claim marginalize shi ites economically government representation bahrain 's king issue decree reorganize national security agency