Supporters of Egyptian President Abdel Fattah al-Sisi hold a poster with his image in front of the National Election Authority in Cairo, Egypt January 29, 2018.

Samir Abdel Azem (C) Egyptian Lawyer of Ghad Party chairperson Moussa Mostafa Moussa carries the presidential candidacy papers in front of the National Election Authority, in Cairo, Egypt January 29, 2018.

Presidential candidate Mousa Mostafa Mousa, chairperson of the Ghad party, attends a news conference in Cairo, Egypt January 29, 2018.

Ghad party chairperson Mousa Mostafa Mousa leaves the National Election Authority, which is in charge of supervising the 2018 presidential election, in Cairo, Egypt January 29, 2018.

Ghad party chairperson Mousa Mostafa Mousa leaves the National Election Authority, which is in charge of supervising the 2018 presidential election, in Cairo, Egypt January 29, 2018.

An Egyptian woman wearing a veil, or niqab, walks past special forces soldiers guarding the National Election Authority, which is in charge of supervising the 2018 presidential election, in Cairo, Egypt January 29, 2018.

An Egyptian special forces soldier stands guard in front of the National Election Authority, which is in charge of supervising the 2018 presidential election, in Cairo, Egypt January 29, 2018.

Special forces soldiers and a police officer stand guard in front of the National Election Authority, which is in charge of supervising the 2018 presidential election, in Cairo, Egypt January 29, 2018.

Egyptians put a huge poster on a new building for Egyptian President Abdel Fattah al-Sisi which reads "Sisi is lion of this stage, we nominated for a second term" for the upcoming presidential election in Cairo, Egypt, January 29, 2018.

Ghad party chairperson Mousa Mostafa Mousa waves to media members as he leaves the National Election Authority, which is in charge of supervising the 2018 presidential election, in Cairo, Egypt January 29, 2018. REUTERS/Mohamed Abd El Ghany

Samir Abdel Azem, Egyptian lawyer of Ghad Party chairperson Mousa Mostafa Mousa, speaks on the phone between special forces soldiers after presenting presidential candidacy papers in Cairo, Egypt January 29, 2018.