State security spokesman Aldo Fasci said police were sent in to calm the disturbance but the fight soon escalated to involve around 250 inmates.
The three complainants, who are Palestinian citizens of Israel, alleged that they were subject to the "intrusive body search" because of their nationality.
Reports say Ricardo Miranda Garcia has a history of stand-offs with the law dating back to 2014 that includes charges of vandalism and resisting arrest.
Police said that the 15-year-old victim underwent a critical brain surgery and was now in induced coma with life-threatening injuries.
The stabbing victim was taken to hospital, where he was undergoing surgery, a spokesperson for Met Police said. No arrests have been made.
Adam Field, 27, from Anfield, Liverpool, has been spared jail despite rampaging through a block of flats with a hammer, threatening a woman and abusing a police woman.
Earlier reports from local media alleged that 31-year-old Andrea Smith had told the barber: "I got two clips. I'll pop you"
Authorities believe that 19-year-old Paul Adams and 14-year-old Tristan Dilley were in a romantic relationship before he allegedly shot her dead and turned the gun on himself.
A Romanian man appeared at Chelmsford Crown Court where it was heard that he married his 12-year-old wife, who was due to give birth in weeks, abroad before moving to Essex.
The Independent Inquiry into Child Sexual Abuse is hearing allegations that former Liberal MP Cyril Smith abused children in the Rochdale area in the 1960's and 70's.
Arthur Collins, 21, from Broxbourne, Hertfordshire, is accused of injuring 16 clubbers after throwing acid on a packed dancefloor in the Wringer and Mangle nightclub in east London
Sandeep Singh jailed after mix-up saw money meant for Wolverhampton's Rubicon Casino was paid to him for two years.
Police raid uncovers drugs stash, £3,000 in cash and live ammunition at a quite family home in Huyton, east Liverpool.
One victim told local media that the moped gang robbed a couple before aiming their bikes at him and his friend.
Ivan Griffin has been jailed for life after launching to crazed knife attack on fiancée Sabrina Mullings at her flat in Upper Norwood, south London.
Indiana dentist Alan Friz has been accused of sexually molesting a 14-year-old girl and locking her in a wooden cage at his home in Huntingburg.
Brit tourist Jamie Harron, 27, is facing three years in a Dubai jail after accidentally touching a man's hip in a bar.
By day and by night they come, an endless tide of humanity streaming out of Myanmar into Bangladesh. Rohingya Muslim men, women and children hoping to find sanctuary in one of the poorest regions of a poor country.
30-year-old Abhishek Ingle had also allegedly assaulted a woman lawyer who was taking care of the animal.
Trevor Hollins admitted outraging public decency at Burnley Magistrates after he masturbated next to a sleeping child outside a relative's house in the middle of the day.
Police discovered a crop of 114 plants at the property in the market town of Wisbech.
Three milkmen in Ireland who egged houses in Dublin on their early-morning round for nearly three months because they were "bored" were given 100 hours of community service.
A gunman fires into a packed chip shop forcing a child and other customers to flee for their lives.
Afolake Adeniji wailed when handed her sentence and later apologised for the crimes she had committed.
German cops have arrested a 24-year-old man in a shocking case of a four-year-old girl who was being abused on the dark web.
Mulumebet Girma was convicted in 2008 for helping her brother-in-law, Hussein Osman, flee after he attempted to blow up a packed train in July 2005.
Texas Tech University student Hollis Daniels was brought in by campus police on suspicion of drugs possession. He then allegedly pulled out a gun and shot an officer in the head before fleeing on foot.
Pure VX was found on Kim Jong Nam's face, in his eye and in his blood plasma, an expert said at the murder trial of two women accused of smearing the chemical weapon on Kim in the brazen assassination in February.
It was not immediately clear why the timeline of the shooting changed a week later and what the impact could be on the investigation.
The father, Wesley Mathews of Richardson, said he punished his daughter for not drinking milk.