The secretary-general of pro-democracy party Demosisto Joshua Wong was encouraging Hong Kong residents to vote in the District Council elections as the voting got underway on Sunday.
Wong was barred by authorities from standing in the elections in October.
The activist has been a prominent figure in Hong Kong anti-government protests.
More than 4 million people are expected to vote in the first... Еще elections since the beginning of the unrest in Hong Kong as 1,090 candidates contest 452 seats in 18 districts across the city.
The elections are held as Hong Kong is rocked by protests sparked by the now-withdrawn extradition bill. The rallies, which began in March, have since evolved into a wider movement against the government, marked by violent clashes between protesters and police.