Palestinians pray as Israeli policemen guard during Friday prayers in the East Jerusalem neighbourhood of Wadi al-Joz, October 9, 2015. Israeli police declared an age limit on Friday for Palestinians wanting to enter the Old City, only allowing males above the age of 45 and all females to enter. Photo by Yonatan Sindel/Flash90

Relatives and friends of 21-year-old Palestinian Hamoda Mohsen, who died during clashes with Israeli security forces near the border of Khan Yunis in the southern Gaza Strip, during his funeral on October 9, 2015. Clashes broke out Friday east of Gaza City and Khan Yunis along the border with the Jewish state, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to medics. Photo by Abed Rahim Khatib/ Flash90

Relatives and friends of 21-year-old Palestinian Hamoda Mohsen, who died during clashes with Israeli security forces near the border of Khan Yunis in the southern Gaza Strip, mourn next to his body on October 9, 2015. Clashes broke out Friday east of Gaza City and Khan Yunis along the border with the Jewish state, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to medics. Photo by Abed Rahim Khatib/ Flash90

A Relatives of 21-year-old Palestinian Hamoda Mohsen, who died during clashes with Israeli security forces near the border of Khan Yunis in the southern Gaza Strip, reacts on October 9, 2015. Clashes broke out Friday east of Gaza City and Khan Yunis along the border with the Jewish state, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to medics. Photo by Abed Rahim Khatib/ Flash90

Palestinian men carry the body of 21-year-old Hamoda Mohsen, who died during clashes with Israeli security forces near the border of Khan Yunis in the southern Gaza Strip, during his funeral on October 9, 2015. Clashes broke out Friday east of Gaza City and Khan Yunis along the border with the Jewish state, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to medics. Photo by Abed Rahim Khatib/ Flash90

The father (C) of 21-year-old Hamoda Mohsen, who died during clashes with Israeli security forces near the border of Khan Yunis in the southern Gaza Strip, mourns during his funeral on October 9, 2015. Clashes broke out Friday east of Gaza City and Khan Yunis along the border with the Jewish state, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to medics. Photo by Abed Rahim Khatib/ Flash90

Palestinian men carry the body of 22-year-old Adnan Alean, who died in clashes with Israeli security forces near the border of Khan Yunis in the southern Gaza Strip, on a stretcher outside a hospital in Khan Yunis, on October 9, 2015. Clashes broke out Friday east of Gaza City and Khan Yunis along the border with the Jewish state, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to medics. Photo by Abed Rahim Khatib/ Flash90

Palestinian men carry the body of 22-year-old Adnan Alean, who died in clashes with Israeli security forces near the border of Khan Yunis in the southern Gaza Strip, on a stretcher outside a hospital in Khan Yunis, on October 9, 2015. Clashes broke out Friday east of Gaza City and Khan Yunis along the border with the Jewish state, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to medics. Photo by Abed Rahim Khatib/ Flash90

Palestinian men carry a man wounded during clashes with Israeli security forces, upon his arrival to a hospital in Khan Yunis in the southern Gaza Strip, on October 9, 2015. Clashes broke out Friday east of Gaza City and Khan Yunis along the border with the Jewish state, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to medics. Photo by Abed Rahim Khatib/ Flash90

A Palestinian man wounded during clashes with Israeli security forces, seen at the hospital in Khan Yunis, southern Gaza Strip, on October 9, 2015. Clashes broke out Friday east of Gaza City and Khan Yunis along the border with Israeli, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to Palestinian medics. Photo by Emad Nassar/ Flash90

A Palestinian man wounded during clashes with Israeli security forces, seen at the hospital in Khan Yunis, southern Gaza Strip, on October 9, 2015. Clashes broke out Friday east of Gaza City and Khan Yunis along the border with Israeli, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to Palestinian medics. Photo by Emad Nassar/ Flash90

A Palestinian woman cries at the hospital in Khan Yunis, southern Gaza Strip, on October 9, 2015, where several Palestinians injured in clashes with Israeli forces were brought. Clashes broke out Friday east of Gaza City and Khan Yunis along the border with Israeli, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to Palestinian medics. Photo by Emad Nassar/ Flash90

Palestinian mourners pray during the funeral of 19 -year-old Ziad al Shorfa who was killed during clashes with Israeli security forces, on October 9, 2015. Riots broke out Friday east of Gaza City and Khan Yunis along the border with Israeli, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to Palestinian medics. Photo by Emad Nassar/ Flash90

Palestinian mourners pray during the funeral of 19 -year-old Ziad al Shorfa who was killed during clashes with Israeli security forces, on October 9, 2015. Riots broke out Friday east of Gaza City and Khan Yunis along the border with Israeli, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to Palestinian medics. Photo by Emad Nassar/ Flash90

Palestinian mourners pray during the funeral of 19 -year-old Ziad al Shorfa who was killed during clashes with Israeli security forces, on October 9, 2015. Riots broke out Friday east of Gaza City and Khan Yunis along the border with Israeli, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to Palestinian medics. Photo by Emad Nassar/ Flash90

Palestinian mourners carry the body of 19 -year-old Ziad al Shorfa who was killed during clashes with Israeli security forces, on October 9, 2015. Riots broke out Friday east of Gaza City and Khan Yunis along the border with Israeli, with Israeli forces opening fire and killing four Palestinians and wounding 21, according to Palestinian medics. Photo by Emad Nassar/ Flash90

A Palestinian woman walks next to a large Israeli flag during Friday prayers at Damascus Gate in Jerusalem's Old City on October 9, 2015. Israeli police declared an age limit on Friday for Palestinians wanting to enter the Old City, only allowing males above the age of 45 and all females to enter. Photo by Flash90