london british foreign secretary boris johnson issue second full apology monday remark iranian-british aid worker jail iran critics say might prompt iran extend prison sentence nazanin zaghari-ratcliffe project manager thomson reuters foundation sentence five years convict iranian court plot overthrow clerical establishment deny charge johnson tell parliamentary committee nov. teach people journalism arrest april 2016 contradict employer say holiday visit family mistake clear apologize distress anguish cause mrs zaghari-ratcliffe family johnson tell lawmakers monday priority everything get iran humanitarian ground nov. johnson say course exchange opposition mp parliament sorry word mine take context misconstrue cause kind anxiety family opposition british lawmakers say remark could land aid worker long term jail johnson whose job come pressure case say would meet zaghari-ratcliffe husband week add issue cast shadow relations iran shall travel iran late year review full state bilateral relations drive home strength feel house country large johnson say early monday government say consider grant diplomatic protection zaghari-ratcliffe part effort secure release jail unclear protection could offer retrospectively dual iranian-british citizen whether move could help secure release spokesman prime minister theresa may say one option consider prime minister involve case outset raise iranian president least two occasion entire government work towards secure release quickly possible say legal opinion prepare human right charity redress zaghari-ratcliffe case say british government could grant diplomatic protection predominantly british citizen deny fair trial unclear tehran would view step would explicitly make zaghari-ratcliffe fate issue state-to-state relations rather purely consular case zaghari-ratcliffe fate become major political issue britain johnson make remark nov. appear cast doubt statements employer thomson reuters foundation charity organization independent thomson reuters operate independently reuters news say holiday teach journalism iran iranian state television say johnson comment show zaghari-ratcliffe guilt involve spy husband richard ratcliffe say case become bargain chip iran relations britain would helpful johnson resign ask come johnson trip tehran plan late year call give diplomatic protection nazanin hold british use bargain chip uk justify word say article even standard newspaper nazanin long simply consular case endanger deep way write add uncertainty affect wife health go hospital test find lump breast specialist think benign stress-related british minister rally round johnson one ally environment secretary michael gove accuse muddy water television interview sunday say know zaghari-ratcliffe iran uk 's johnson make full apology remark jail aid worker iran