Qatari authorities have detained a Qatari pilgrim incommunicado upon his return from Saudi Arabia, Al-Arabiya News reported Sunday.
The pilgrim, identified as Hamad al-Marri, was arrested over giving an interview to Saudi television regarding the latest Gulf crisis.
Saudi Arabia's National Society for Human Rights has condemned the detention in an official statement.
A video of al-Marri being assaulted by Qatari police has gone viral on social media.
Al-Marri entered the kingdom on August 24 through the Salwa border crossing.