Israeli police sealed off an area by the Jaffa Gate in the old city of Jerusalem, after three people were stabbed.
The boy and his parents died when their home in the village of Duma in the occupied West Bank was set ablaze in July in an incident Israeli officials described as “Jewish terrorism”.
He posted on Twitter, that one attacker was shot and killed whilst another was apprehended.
Three Israeli civilians have been injured in stabbing attack in Jerusalem.
APPHOTO ASC106: Orthodox Jews look at an ambulance as it evacuate the body of a Palestinian assailant form a stabbing attack site outside Jerusalem’s Old City, Wednesday, Dec. 23, 2015.
Witnesses said one of the victims struggled with his stabber on the ground and was stabbed multiple times.
The attackers, aged 20 and 21, were residents of the Qalandia refugee camp in the West Bank.
Police was investigating a video which had surfaced on social media which appeared to show a man beating one of the shot assailants with a pole, Jerusalem police spokesman Asi Aharoni told Army Radio. Police shot both assailants, she said.
The attack took place just outside the Jaffa gate into the Old City, on a paved walkway under the city wall.
Since mid-Sept., a wave of Palestinian stabbing, shooting & vehicular ramming assaults have killed 19 Israelis & an American student. It said the people were friends of the suspects in the arson.
Palestinians are frustrated by Israel’s 48-year occupation and with peace talks going nowhere.
Shin Bet said the suspects ran an explosives laboratory in Abu Dis, east of Jerusalem, and meant to carry out suicide bombings inside Israel. A spokeswoman for Shaare Zedek Medical Center said a third person with gunshot wounds had also died. The ring was commanded by Hamas, the extremist Islamic movement that rules the Gaza Strip.