The Saudi Arabian security services arrested Dr. Youssef Ben Abdullah Al Ahmad at his father's house in Dammam on Friday 8 July 2011 without presenting a warrant or any reasons for his arrest. They seized his mobile phone, his computer and his car. This illegal search took place without permission and outside the time authorized for this type of action. The security services then transferred Dr Al Ahmad from Dammam to Riyadh in a special plane.

Mr. Abdul Hakim Gellani, a British citizen, was arrested 19 November 2005 during a business trip in Saudi Arabia. Detained from December 2005, he was finally released in July 2006 after seven months of secret detention. After obtaining a visa to return to the United Kingdom where his family lives and giving an interview to Al Jazeera, he was again arrested on 8 August 2007 and detained in secret for two months. The Working Group on Arbitrary Detention was seized of the matter and adopted opinion 2/2011 on 3 May 2011 confirming the communication sent by Alkarama in December 2011 indicating that the character of Mr. Gellani's detention was arbitrary. Mr. Gellani remains detained to this day.

Mr. Khaled Al-Twijri, a Saudi Arabian national, was travelling to Jordan in July 2008 when he was arrested and extradited to Saudi Arabia on 25 January 2009. His family was informed neither of his arrest nor of his extradition.

The lawyer Mr. Sulaiman Al-Rashoudi that had been detained arbitrarily for more than four years has been released on bail 23 June 2011. He was arrested in Jeddah 2 February 2007 by intelligence services (Mabahith). His trial is ongoing and the next hearing will take place 26 June 2011.