Key facts
- South Korea's justice ministry has imposed a travel ban on Roh Tae-ak, former chairperson of the National Election Commission (NEC).
- The ban is part of an investigation into ballot shortages during recent local elections.
- Investigators raided the NEC headquarters and local offices, securing documents related to ballot printing and budget.
- The ballot shortages led to temporary voting suspensions at 26 polling stations nationwide.
- Protests have occurred demanding a rerun of the elections due to the shortages.
