The Latest on Egypt’s vote on a referendum potentially extending President el-Sissi’s rule to 2030 (all times local):

10:55 a.m.

Egyptian officials are urging voters to turn out in high numbers for a three-day referendum on extending President el-Sissi’s rule.

A voter dips her finger in ink during the first day of three-day voting on constitutional amendments in Cairo, Egypt, Saturday, April 20, 2019. (AP Photo/Amr Nabil)
A voter dips her finger in ink during the first day of three-day voting on constitutional amendments in Cairo, Egypt, Saturday, April 20, 2019. (AP Photo/Amr Nabil)

Prime Minister Mustafa Madbouly cast his ballot on Saturday. He says that voting will reflect “the atmosphere of stability and democracy that we are witnessing now.”

Heavy police and army security was reported at polling stations throughout the capital city.

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A voters carries her son as she casts her ballot on constitutional amendments during the first day of three-day voting at polling station in Cairo, Egypt, Saturday, April 20, 2019. (AP Photo/Amr Nabil)
A voters carries her son as she casts her ballot on constitutional amendments during the first day of three-day voting at polling station in Cairo, Egypt, Saturday, April 20, 2019. (AP Photo/Amr Nabil)

9 a.m.

Egyptians have begun voting on constitutional amendments aimed at keeping President el-Sissi in power until 2030.

The referendum comes amid an unprecedented crackdown on dissent in recent years. El-Sissi’s government has arrested thousands of people, most of them Islamists but also prominent secular activists, and rolled back freedoms won in a 2011 pro-democracy uprising. 

Voters line up to enter a polling station in Cairo, Egypt, Saturday, April 20, 2019. Egyptians are voting on constitutional amendments that would allow el-Sissi to stay in power until 2030. (AP Photo/Amr Nabil)
Voters line up to enter a polling station in Cairo, Egypt, Saturday, April 20, 2019. Egyptians are voting on constitutional amendments that would allow el-Sissi to stay in power until 2030. (AP Photo/Amr Nabil)

The proposed changes were blasted by critics as another major step toward authoritarian rule.

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8:35 a.m.

A voter rides his bicycle past a poster supporting Egyptian President Abdel-Fattah el-Sissi near a polling station in Cairo, Egypt, Saturday, April 20, 2019. (AP Photo/Amr Nabil)
A voter rides his bicycle past a poster supporting Egyptian President Abdel-Fattah el-Sissi near a polling station in Cairo, Egypt, Saturday, April 20, 2019. (AP Photo/Amr Nabil)

Egyptians are being asked to vote on constitutional amendments that would allow President Abdel-Fattah el-Sissi to stay in power until 2030.

The three-day voting period for the nationwide referendum starts at 9 a.m. (0700 GMT) Saturday on proposed changes that would also further enshrine the military’s role in politics. Parliament, packed with el-Sissi supporters, overwhelmingly approved the amendments on Tuesday.

Opposition parties have called on voters to reject the changes, seen by critics as a step backward to authoritarianism eight years after a pro-democracy uprising.

The vote comes amid an unprecedented crackdown by authorities on dissent since the military ouster of an elected but divisive president in 2013.

El-Sissi came to power in 2014 and was re-elected for a second four-year term last year.