Hamas leader Ismail Haniyeh warned Israel on Monday that he was responsible for the life of a terrorist suspect who had been hospitalized in critical condition after the interrogation.
"Zionist occupation will pay the price for its crimes against prisoners," said the head of a Canadian terrorist group, as public sender of Can.
Security weekend, Shin Bet, announced the arrest of three Palestinians suspected of a deadly bombing last month during a natural spring outside of the Dolev settlement in the West Bank.
Samer Arbid, the alleged cell leader accused of carrying out a terrorist attack that killed 17-year-old Israeli Rina Shnerb and seriously injured her father and brother, was hospitalized on Saturday in critical condition after being interrogated by Shin Bet.
The Ministry of Justice initiated an investigation into the circumstances of injuries of a 44-year-old terrorist suspect, in particular examining the degree of strength and tactics used by Shin Bet investigators.
"We will never abandon our prisoners. We will never leave them [as] trophies for Zionist sadism and will no longer stay behind the bars of the occupation, "said Haniyeh in front of the Red Cross headquarters in Gaza, according to Walla's news service.
Haniyeh's warning to Israel in the Arbid case joined the warning of the terrorist group of the People's Liberation Front of Palestine, with which the Israeli authorities reported that the suspect was involved in the story.
"We believe that the Israeli occupation is responsible for the life of the Palestinian prisoner Sam Arbid and his associates, and we assure you that by risking their lives, the occupation will open the gates of hell," the PFLP military wing said in a statement on Sunday.
Arbid lawyers called for an international investigation into this incident by the UN and the International Red Cross.
Arbid was arrested earlier this month and then released due to lack of evidence against him. He was picked up again on Wednesday.
Shin Bet obtained legal permission to use "extraordinary measures" during the interrogation of Arbid, a source of security informed to journalists on Saturday. Such measures may include beating, forcing prisoners into an uncomfortable position, depriving of sleep, shackles and subjecting prisoners to extreme temperatures.
This is usually allowed in cases of "ticking time bombs" when there is a concern that the suspect may provide security forces with information that could prevent a direct attack.
Shin Bet said the cell was planning additional attacks when suspects were arrested, including shootings and kidnappings. During the raids, security forces found and safely detonated the improvised explosive device that the group had made.
Arbid was taken to the Hadassah Hospital in Jerusalem on Mount Scopus in critical condition after apparently having heart problems during the interrogation.
His lawyers said he was healthy when he was arrested. Shin Bet only confirmed that Arbid was taken to hospital.
On August 23, the IED, which was planted next to Bubin's natural spring in mid-West Bank, was called by terrorists when the Shnerb family from the central Israeli city of Lod visited the place. Rina Shnerb was declared dead at the crime scene, and her father Eitan and brother Dvir, 19, were taken to a hospital in Jerusalem after being injured by an explosion.
Both Qassem a-Karim Rajah Shibli and Yasan Hasin Hasni Majamas, who were also arrested for suspected involvement in the assassination, according to Shin Bet, were imprisoned in Israeli prisons for involvement in terrorist activities.
Shin Bet said he arrested a fourth man – Nizam Sami Yousef Ulada Mahmoud, 21 – who is suspected of membership in Arbid's cell. He is a member of the PFLP student group at the University of Bir Zeit in the West Bank.
Shin Bet said he was still looking for additional members of the terror cell.
Also on Monday, Palestinian reports reported that Israeli forces arrested four residents of the village of Issawiya in East Jerusalem, including the father of a man killed by police after firing fireworks in them.
His death occurred when police reportedly invaded Issawiya for weeks to track down members of the PFLP terrorist cell, which was probably nearby.
Jacob Magid and Judah Ari Gross contributed to this report.