Following numerous reports of abuse, Home Affairs Minister Malusi Gigaba has asked the organisation to establish an office at the centre.
The shackled, hospital patient, Charles Malunga, showed his chains to journalists this week.
The nine-week-old detainees hunger strike has ended.
The digital age offers a new global platform for this ancient form of protest to change the world, writes Stefan Simanowitz.
A former member of the Palestinian national football team remains on hunger strike over his imprisonment by Israel without charge, or trial.
A protest by a group of students over the dismissal of 17 chefs at Wits University has culminated in an indefinite hunger strike.
Hundreds of Palestinian prisoners in Israeli jails will embark on hunger strikes this week to draw attention to imprisonment without charge.
A jailed Bahraini activist who has been on hunger strike for 58 days was moved to a hospital and fed intravenously after his health deteriorated.
Indian activist Anna Hazare, whose hunger strike in August attracted public support, held a one-day fast demanding government to tackle corruption.
Thousands have gathered to support an anti-corruption social activist who has galvanized India against the government through a hunger strike.
Protests have swelled across India in support of anti-corruption activist Anna Hazare, and the government seems unable to end the standoff.
About 900 prisoners have embarked on a hunger strike at the Baviaanspoort medium security prison outside Pretoria, a rights group said.
Sixteen awaiting-trial prisoners have embarked on a hunger strike at a Kroonstad prison, the Department of Correctional Services said on Thursday.