Public execution Prisoner Liu Tianlong is paraded in front of thousands of spectators who turned up to watch public executions at Chengdu, China on June 23, 2001

 Iranian authorities execute one person every 9 hours in January "the Iranian authorities.

 Iranian authorities execute one person every 9 hours in January

The Iranian authorities hanged 87 people in the month of January 2017, that's one execution every nine hours. 

Iran Human Rights (FEB 3 2017): According to reports compiled by Iran Human Rights, the Iranian authorities hanged 87 people in the month of January 2017, including two juvenile prisoners and six prisoners who were executed in public.