Gaza City

A Palestinian Hamas policeman takes part in a graduation ceremony at the Arafat Police Academy in Gaza City, Wednesday, Jan. 29, 2014. Arabic writing on the wall reads, "the chains must be broken."

Adel Hana/AP

A Palestinian Hamas policeman takes part in a graduation ceremony at the Arafat Police Academy in Gaza City. The Arabic writing on the wall reads, “The chains must be broken”.

Fifth anniversary of the three week Israeli war against the Hamas movement...epa04019067 Hamas soldiers take part in a parade of Hamas forces in Gaza City, 13 January 2014. Reports state that the Hamas Interior Ministry is marking the fifth anniversary of the three week Israeli war against the Hamas movement in Gaza strip in which more than a thousand Palestinians were killed between the late 2008 and early 2009.  EPA/MOHAMMED SABER

EPA/Hohammed Saber

Hamas soldiers take part in a parade of Hamas forces in Gaza City. Reports state that the Hamas Interior Ministry is marking the fifth anniversary of the three-week Israeli war against the Hamas movement in Gaza strip in which more than a thousand Palestinians were killed between late 2008 and early 2009. Read more

Palestinian factory workers rest inside ...Palestinian factory workers rest inside concrete pipes as they wait for the start of a working day in Gaza City on October 23, 2013. AFP PHOTO/MOHAMMED ABEDMOHAMMED ABED/AFP/Getty Images

Mohammed Abed/AFP/Getty

Palestinian factory workers rest inside concrete pipes as they wait for the start of a working day in Gaza City on Wednesday. Read more

Armed Palestinian Hamas security forces patrol the streets of Gaza City on September 25, 2013. Egypt's Foreign Minister Nabil Fahmy has warned Hamas of a "harsh response" if the Palestinian Islamist movement that rules the neighbouring Gaza Strip threatened Egypt's national security.

Mahmud Hams/AFP/Getty

Armed Palestinian Hamas security forces patrol the streets of Gaza City. Egypt’s foreign minister Nabil Fahmy warned Hamas of a “harsh response” if the Palestinian Islamist movement that rules the neighbouring Gaza Strip were to threaten Egypt’s national security.