Egyptian presidential candidate, General Sami Anan, has been arrested, the director of his electoral campaign, Mustafa El Shall, said on Twitter Tuesday.
On Tuesday, however, a televised army statement read: "The Egyptian Armed Forces can not ignore that Anan has committed legal violations that constitute a serious breach of army regulations".
"Our bid was met with a campaign of pressure".
"To be banned by the state to enter the elections". The chief military prosecutor slapped a news blackout effective immediately on details of the investigation, saying the media must only report official statements on the case.
Sisi was elected president in 2014, a year after leading the military ouster of Islamist president Mohamed Morsi when he was himself commander in chief.
Last Friday, Hazem Hosni, another Anan spokesman, announced that the former army chief would officially request permission for his presidential run from Egypt's Supreme Council of the Armed Forces (SCAF).
A presidential candidate in 2012, the 45-year-old Ali said he had been forced to pull out of this year's election to be held on March 26-28.
Shortly after his arrest, Anan's campaign declared that it had suspended its activities until further notice. "We're waiting to see what will happen with Anan".More news: Acer launches new Chromebook 11 series
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Ali Taha, a lawyer, said he was asked by the campaign to defend Anan, who in his announcement speech said he had already put in place a team of civilians to support his bid, including Geneina.
Anan's arrest came a week after he announced his presidential aspirations on his official Facebook page, promising reform.
Amnesty International said on Wednesday this was a "brazen attack" on freedom of expression and political participation.
His legal representative Dr. Mohammed Bahaeddine Abou Shaqa presented the papers to the National Elections Commission, announced Alaa Fouad, an aide at the authority.
Ali made headlines in Egypt previous year by challenging in court a maritime border pact between Egypt and Saudi Arabia touted by the leaders of both countries.
Mohamed Anwar al-Sadat, the nephew of assassinated President Anwar al-Sadat, said last week he would not run, citing an environment of fear surrounding the vote. In announcing his candidacy on Saturday, he lashed out at el-Sissi's record and pledged to appoint Hisham Geneina, a onetime anti-corruption czar fired by el-Sissi, as vice president for human rights.
In his declaration of his intention to run in the upcoming elections, Anan said he wished to steer Egypt away from "wrong policies" that the current regime has adopted.