The call came as the family of the former governor unexpectedly withdrew an appeal against his conviction and two-year jail term for blasphemy.
Basuki "Ahok" Tjahaja Purnama was accused of insulting the Quran after he questioned his opponents' use of a verse against his role as a governor. Purnama apologised later, saying he meant no offence.
The elections have been overshadowed by religious tensions as mass protests have been held against Basuki Tjahaja Purnama, the incumbent Christian governor in a Muslim-majority country.
Thousands of people joined a mass rally to call for a court to convict Jakarta Governor Basuki Tjahaja Purnama for blasphemy.
Police officials estimate that at least 150,000 people, including those who travelled from towns and cities across the island of Java, have gathered to protest.
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