harare zimbabwean police arrest activist pastor evan mawarire thisflag movement step pulpit accuse subversion series social media post charge robert mugabe government wreck economy lawyer tell reuters sunday lawyer harrison nkomo say mawarire arrest charge subversion carry maximum term life imprisonment facebook video post saturday lambast government economic policies last days shortages basic goods fuel emerge result panic buy consumers price import products also go businesses blame shortages foreign exchange mawarire heart protest movement mugabe 37-year rule 2016 lead stay-at-home demonstration result first three arrest state say attempt overthrow government mawarire already due face trial subversion 2016 protest high court trial monday due appear court tomorrow subversion charge emanate last year really know state proceed say nkomo press social media report include mawarire post shortages basic goods foreign exchange mean cause alarm country say ignatius chombo minister home affairs ministry charge police say statement government closely monitor press social media report question view take decisive action deal tell blow perpetrators crime term laws country justice system chombo say statement website unite state embassy harare publish friday say would monitor pastor trial call end arbitrary arrest intimidation political purpose mugabe 93 hold power since independence britain 1980. mount pressure angry zimbabweans well war veterans ally last year rebuke manipulative dictator call step zimbabwean activist pastor arrest criticize mugabe government