An Israeli police statement said 34-year-old Amar Khalil was suspected of carrying out two shootings in the occupied West Bank on Saturday.
Following the morning's attack in Jerusalem, the video clip of the security cameras, which illustrates the first moments of the serious attack this morning, killed the policemen, Major General Eyal Sattawi and the late Kamil Shanan.
"We will raise our heads through the sacrifice of the young Palestinians who are still fighting in the name of the nation", Tarawneh added.
The site remained closed on Saturday, while parts of Jerusalem's Old City were also under lockdown.
Police have identified the assailants as Arab citizens of Israel and members of the Jabareen clan.
The flashpoint holy site includes the Al Aqsa mosque and the golden Dome of the Rock.
The Waqf officials were not required to pass through the detectors.
Meanwhile, Wisma Putra in a statement said that the action by the Israeli authorities was a violation of global laws and norms.
The Palestinian Minister of Jerusalem Adnan Husseini called for the security arrangements to return to how they were before the deadly attack, saying it "shouldn't be an excuse for making changes". "The Temple Mount will remain closed throughout the day", Israel Police spokesman Micky Rosenfeld said in a statement.
Jerusalem police commissioner Yoram Halevy said the metal detectors were necessary for the site to reopen.
Muslim worshippers were very angry with the incident and wanted to reopen the site immediately.Palestinian religious and political leaders, Jordan and the Organization of Islamic Cooperation, a world Islamic body, among others been called to reopen it as soon as possible.
Israeli Prime Minister Benjamin Netanyahu has said Al-Aqsa mosque compound in Jerusalem's Old City will gradually reopen on Sunday, two days after the unprecedented closure heightened Israeli-Palestinian tensions.
The compound is the holiest site in Judaism and the third-holiest in Islam.
On Sunday, Israeli authorities lifted the ban on worshippers entering the site - sacred to both Jews and Muslims after boosting security.
The Jerusalem Legal Aid and Human Rights Center (JLAC) and Adalah - the Legal Center for Arab Minority Rights in Israel - presented an objection to Israeli authorities as a preliminary procedure.