Rights activist Mohamed Salah Sultan said that his father, the advocate Salah Sultan, disappeared from inside Wadi Al-Natroun prison, north of Cairo, a week ago.

In a tweet on Twitter, the US-based activist explained that the Sultan’s family had filed a complaint with the Egyptian government’s National Council for Human Rights about his father’s disappearance since Monday morning after interrogating him about his son’s activity.

Every Father's Day and you're fine, Dad

Yesterday we filed a complaint with the National Council for Human Rights about the disappearance of Baba from Wadi Al-Natroun Prison on Monday morning 6/15

Baba, I checked with him in prison tonight, before you kissed me about me and my activities

Where is the government ?! I hold the state legally responsible for the health and safety of Baba # FreeSoltans pic.twitter.com/et09n83O6b

- Mohamed Soltan Muhammad Sultan (@soltanlife) June 21, 2020

Early this month, Mohamed Sultan filed a lawsuit in a Washington court against current and former senior officials alleging that he was tortured during his detention in Egypt for nearly two years because of his anti-military activity after the overthrow of President Mohamed Morsi in 2013.

The Washington Post newspaper said the lawsuit, filed by Sultan, 32, on Monday in a court in the District of Columbia in the US capital - targeted Hazim al-Beblawy as the first suspect as someone who ordered his ill-treatment while he was prime minister, but it also includes the current president, Abdel Fattah al-Sisi, and the director of His previous bureau, Abbas Kamel, who currently heads the General Intelligence Service, and three former leaders of the Ministry of Interior, are demanding in the lawsuit that Sultan pursue them if they enter the United States.

After about a week of the lawsuit, Reuters quoted lawyers as saying that the Egyptian security forces raided the homes of two of Muhammad Sultan's uncles, and the agency said that the Egyptian State Information Service, which manages relations with foreign media, had not responded to its request for comment.

Muhammad Sultan confirmed on Twitter, the Egyptian security raid on the family’s home in the Menoufiya governorate, north of Cairo, at midnight, and said that he had submitted a memo detailing that raid to the Federal Court in Washington, and saw that “the state’s attempt to discourage me from my legal right to hold accountable of my torture and injustice, through my family, a crime".

The series of punishment # Muhammad_Sultan continues after the disappearance of his father Dr. # Salah_Sultan from Wadi Al-Natroun Prison # Evening # Egypt @ soltanlife pic.twitter.com/uc7HPJXtgf

- Al Jazeera Live (@ajmubasher) June 21, 2020

According to The Washington Post, Muhammad Sultan is considered one of the prominent activists in the field of defending human rights in Egypt. He is a graduate of Ohio University, was injured in the demonstrations that followed the military coup in the summer of 2013, and was beaten and tortured during his detention for 643 days, and he said in his lawsuit that he was subjected to an attempt. Assassination "and brutal treatment during his 21-month detention, as he dared to expose the Egyptian authorities' violations against Islamist and liberal opponents.

Social media has witnessed an interaction with the news of the disappearance of the preacher Salah Sultan, and the respondents affirmed their rejection of the family punishment policy pursued by the Egyptian regime against opponents and their families.

# Mohamed_ Salah Sultan filed a lawsuit for the horrors he suffered during his detention, in which Hazem al-Beblawi, the former Prime Minister who works in # America now, took jurisdiction. The Egyptian police arrested his uncles and then summoned his father for investigation and did not return to his prison in Wadi al-Natroun prison in one of the strangest cases Enforced disappearance! pic.twitter.com/8MtXxqktlP

- Dr. Mohamed Al-Sagheer (@drassagheer) June 22, 2020

# Muhammad_Sultan son of a doctor # Salah_Sultan
took advantage of the presence of al-Beblawi in America 🇺🇸 He filed a complaint against him in the American courts that he was responsible for his arrest and torture,
so he was detained and thus required the intervention of the Rais, so
I think de bargaining from the regime # Al-Sisi to pressure Muhammad Sultan to concede @ amrelhady4000 @GwadyM

- # Gave good news (@ZedaarafT) June 22, 2020

Egypt: I have documented # We are recording the security forces in the Wadi Al-Natroun prisons area that transferred Dr. Salah Sultan from his detention facility in Pliman 440, to an unidentified detention facility, this is on Monday, June 15, 2020. # FreeSoltans pic.twitter.com/yF7Cu5HlGu

- Alaa El Masry (@ Masrawy8661) June 22, 2020

# Share_and save innocent,
Dr. # Salah_Sultan_fin. After his son Muhammad filed a lawsuit against the military for his prison period in Egypt and tortured him, the military summoned his father from Wadi al-Natrun prison for interrogation, and he has not returned to his prison until now! pic.twitter.com/CQEM10lUjz

- Sheikh Abdulaziz Ragab, sheikh Abdelaziz ragab (@abdelazizrgb) June 22, 2020