"A chase ensued and the three terrorists were killed by police", Simri said.
"May Allah have mercy on our young people, members of the Jabarin family, whose family members deserve to receive glory and honor". One of the first responders told Israel's i24 News that he thought the incident was over once reaching the area, as the terrorists appeared to be "neutralized".
Sheikh Ikrima Sabri, the former grand Mufti of Jerusalem and Palestinian territories, said on Saturday that the closure was a "collective punishment" that affected thousands of worshippers, adds Al-Jazeera.
The guards were from the minority Druze population.
The flashpoint holy site includes the Al-Aqsa mosque and the Dome of the Rock.
"When I go shopping on Friday I pass through a detector at the mall", Halevi said.
The confrontations started when dozens of worshipers refused to enter and gathered to pray at the entrances of the compound to object the new Israeli security measures. Police gave chase and killed the three assailants.
"Malaysia strongly condemn Israel's closure of the Al-Aqsa mosque and denying the rights of the Muslims to perform Friday prayers", he said in his Twitter account on Sunday.
In addition to the Lion's Gate, Israel Police Chief police also sealed entrance to the Old City at the Jaffa and Zion gates.
Israel's police chief says the attackers used weapons stored inside the compound and opened deadly fire on a police patrol. It is the third holiest site for Muslims after the Mosque which houses the Kaaba in Mecca and the Mosque of Prophet Muhammad in Medina.
The Jerusalem shrine has been the scene of repeated confrontations but Friday's brazen shooting was rare because it took place inside the compound and also because the attackers were from Israel's Arab minority.
In September 2000, Israel's then-opposition leader Ariel Sharon made a provocative visit to the site, sparking Palestinian protests that quickly escalated into armed clashes between Palestinian gunmen and Israeli soldiers.
On Sunday, Israeli authorities lifted the ban on worshippers entering the site - sacred to both Jews and Muslims after boosting security.