yangon group myanmar journalists say would begin wear black t-shirts saturday protest detention two reuters reporters accuse violate country official secrets act pressure build myanmar release pair protection committee myanmar journalists group local reporters demonstrate past prosecutions journalists decry unfair arrest affect media freedom statement facebook committee say members would black t-shirts signify dark age media freedom myanmar demand unconditional immediate release two reporters wa lone 31 kyaw soe oo 27. journalists country urge take part black campaign group say say also plan stage official protest prayers group stag several protest behalf arrest reporters media year include one june around 100 journalists take part immediately clear many journalists join black t-shirt protest protection committee myanmar journalists form response arrest june newspaper editor publication cartoon make fun military say video journalist hla lay thu zar one group 21-member executive committee reporter must right get information write news ethically say hla lay thu zar reference case two reuters journalists myo nyunt deputy director myanmar ministry information tell reuters case nothing press freedom relate official secrets act say journalists able tell secret ... already press freedom freedom write speak ... press freedom follow rule ask local reporters black campaign say everyone express feel journalists arrest tuesday even invite dine police officer outskirts myanmar large city yangon u.s. secretary state rex tillerson u.n. secretary-general antonio guterres president european parliament antonio tajani government officials canada britain sweden bangladesh call release two reporters work reuters coverage crisis see estimate 655,000 rohingya muslims flee fierce military crackdown militants western rakhine state ministry information say journalists illegally acquire information intention share foreign media release photo pair handcuff say investigate 1923 official secrets act carry maximum prison sentence 14 years human right advocate say press freedom attack myanmar young civilian-led government nobel laureate aung san suu kyi share power military run country decades least 11 journalists detain 2017 although since release police tell wa lone wife thursday reporters take htaunt kyant police station north yangon investigation team undisclosed location shortly arrest add reporters would bring back station two three days four days since detain separately police lieutenant colonel myint htwe yangon police division tell reuters thursday reporters location would disclose investigation complete since authorities provide information whereabouts myanmar journalists group black t-shirts arrest reuters reporters