Mu kiganiro twagiranye na John Jubber wo ku biro by’ishami by’Abahamya ba Yehova muri Zimbabwe igihe yari muri New York, yavuze ukuntu ikoraniro mpuzamahanga ry’Abahamya ryabereye i Harare muri Kanama 2014 ryakoze abantu ku mutima.