Updated

The Latest on Pakistan's elections (all times local):

10:15 a.m.

A hard-line Pakistani cleric who heads an alliance of religious parties and the country's parliament speaker have cast their ballots in the general elections underway in Pakistan.

Maulana Fazlur Rehman voted in the northwestern city of Dera Ismail Khan soon after polls opened on Wednesday.

His Muttahida Majlis-e-Amal is a potential threat to opposition leader, former cricket star Imran Khan's party in northwestern Khyber Pakhtunkhwa province. Khan's party has ruled the province for the last five years.

Rehman appealed to citizens after casting his ballot to cast their votes with the full sense of responsibility so capable hands could take over the country.

Ayaz Sadiq, speaker of the National Assembly, voted in the eastern city of Lahore.

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8:40 a.m.

Pakistan Muslim League chief Shahbaz Sharif cast his vote in the eastern city of Lahore soon after polls opened in national elections.

Sharif, the younger brother of disgraced ex-prime minister Nawaz Sharif, took over the ruling Pakistan Muslim League last year after his brother was found guilty of corruption. The ex-prime minister has since been sentenced to 10 years in jail, which he is serving while appealing the conviction.

The younger Sharif stood in line waiting his turn to enter the polling booth. In Pakistan, a candidate can run for elections in multiple seats. If the candidate wins more than one seat, a by-election will be held as a person can represent only one constituency.

Sharif marked his ballot for both the National and Punjab provincial Parliaments and is contesting elections in four National Assembly seats and in two Punjab provincial legislature seats.

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8 a.m.

Pakistanis began voting in a historic third straight election ending a campaign marred by widespread allegations of manipulation that local and international rights group say imperils the country's wobbly transition to democratic rule.

There are 85,307 polling stations across Pakistan and more than 11,000 candidates are vying for 270 seats in parliament and 570 seats in four provincial assemblies. Voting for two parliament seats and six seats in provincial assemblies has been postponed for a later date, due to attacks on candidates or disqualifications. One candidate in the Sindh provincial assembly was unopposed and has already secured that seat.

Under Pakistani law, separate seats are reserved for women and for non-Muslim minorities, who comprise 4 percent of the population.