Palestinian relatives take a last look at the body of Muhannad Halabi, 19, who was killed after attacking a family in Jerusalem's Old City, killing the father, seriously wounding the mother before stabbing another man to death, during his funeral at the family house in the West Bank town of Surda, on the outskirts of Ramallah, Friday, Oct. 9, 2015 (AP)

A relative of Palestinian Mohnad Halabi, who was killed after stabbing and killing an off-duty Israeli soldier and a rabbi in Jerusalem's Old City on Saturday, mourns during his funeral near the West Bank city of Ramallah October 9, 2015 (Reuters)

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATHA relative of Palestinian Mohnad Halabi, who was killed after stabbing and killing an off-duty Israeli soldier and a rabbi in Jerusalem's Old City on Saturday, mourns during his funeral near the West Bank city of Ramallah October 9, 2015. (Reuters)

A relative of Palestinian Mohnad Halabi, who was killed after stabbing and killing an off-duty Israeli soldier and a rabbi in Jerusalem's Old City on Saturday, mourns during his funeral near the West Bank city of Ramallah October 9, 2015 (Reuters)

Palestinian men take part in Friday prayers outside the Old City as Israeli policemen patrol nearby in Arab east Jerusalem neighbourhood of Ras al-Amud October 9, 2015 (Reuters)

The Dome of the Rock is seen in the background as Israeli policemen stand guard near Palestinian men (not pictured) participating in Friday prayers in Arab east Jerusalem neighbourhood of Ras al-Amud October 9, 2015 (Reuters)

Palestinian men take part in Friday prayers outside the Old City as Israeli policemen patrol nearby in Arab east Jerusalem neighbourhood of Ras al-Amud October 9, 2015 (Reuters)

Israeli police detain a Palestinian man suspected of stabbing an Israeli in Jerusalem October 9, 2015 (Reuters)

Israeli police detain a Palestinian man suspected of stabbing an Israeli in Jerusalem October 9, 2015. (Reuters)

An ultra-orthodox Jewish boy stands in front of an Israeli policeman patroling at the scene of a suspected Palestinian stabbing attack on an Israeli in Jerusalem October 9, 2015 (Reuter)

A relative of Palestinian Mohnad Halabi, who was killed after stabbing and killing an off-duty Israeli soldier and a rabbi in Jerusalem's Old City on Saturday, looks at his body during his funeral near the West Bank city of Ramallah October 9, 2015 (Reuters)

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATHThe mother of Palestinian man Mohnad Halabi, who was killed after stabbing and killing an off-duty Israeli soldier and a rabbi in Jerusalem's Old City on Saturday, touches his body during his funeral near the West Bank city of Ramallah October 9, 2015. (Reuters)

A Palestinian man walks down a flight of stairs as Israeli border police women stand guard at an entrance to Jerusalem's Old City October 9, 2015 (Reuters)

A Palestinian man walks past Israeli security personnel at an entrance to Jerusalem's Old City October 9, 2015 (Reuters)

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATHMourners carry the body of Palestinian Mohnad Halabi, who was killed after stabbing and killing an off-duty Israeli soldier and a rabbi in Jerusalem's Old City on Saturday, during his funeral near the West Bank city of Ramallah October 9, 2015. (Reuters)

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATHMourners carry the body of Palestinian Mohnad Halabi, who was killed after stabbing and killing an off-duty Israeli soldier and a rabbi in Jerusalem's Old City on Saturday, during his funeral near the West Bank city of Ramallah October 9, 2015 (Reuters)

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATHA Palestinian watches as mourners take part in the funeral of Palestinian Mohnad Halabi, who was killed after stabbing and killing an off-duty Israeli soldier and a rabbi in Jerusalem's Old City on Saturday, near the West Bank city of Ramallah October 9, 2015 (Reuters)

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATHPeople take part in the funeral of Palestinian Mohnad Halabi, who was killed after stabbing and killing an off-duty Israeli soldier and a rabbi in Jerusalem's Old City on Saturday, near the West Bank city of Ramallah October 9, 2015 (Reuters)

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATHMourners carry the body of Palestinian Mohnad Halabi, who was killed after stabbing and killing an off-duty Israeli soldier and a rabbi in Jerusalem's Old City on Saturday, during his funeral near the West Bank city of Ramallah October 9, 2015 (Reuters)