In this photo provided by Egypt's state news agency MENA, family members of soldiers killed in Friday's assault in the Sinai Peninsula grieve during a military funeral in Cairo, Egypt, Saturday, Oct. 25, 2014 (Photo: AP)
Men mourn during the military funeral for the soldiers killed in a suicide attack in Sinai, in Cairo, October 25, 2014, in this handout courtesy of the Egyptian Presidency (Photo: Reuters)
People mourn during the military funeral for the soldiers killed in a suicide attack in Sinai, in Cairo, October 25, 2014, in this handout courtesy of the Egyptian Presidency (Photo: Reuters)
Honorary funeral of the 31 soldiers who died in the deadly attack of the Sinai Peninsula (Photo: Courtesy of military spokesperson)
Egypt`s president Abdel Fattah El-Sisi attending on October 25,2014 honorary funeral of the 31 soldiers who died in the deadly attack of the Sinai Peninsula, accompanied by the Chief of Staff (Far R), the Minister of Defence (L) and the Prime Minister (R) (Photo: Courtesy of military spokesperson)
Egypt`s president Abdel Fattah El-Sisi attending on October 25,2014 honorary funeral of the 31 soldiers who died in the deadly attack of the Sinai Peninsula (Photo: Courtesy of military spokesperson)
Egypt`s president Abdel Fattah El-Sisi attending on October 25,2014 honorary funeral of the 31 soldiers who died in the deadly attack of the Sinai Peninsula (Photo: Courtesy of military spokesperson)
In this photo provided by Egypt's state news agency MENA, Egyptian President Abdel-Fattah el-Sissi, far left, and other officials follow a soldier carrying medals of troops killed in Friday's assault in the Sinai Peninsula, during a military funeral in Cairo, Egypt, Saturday, Oct. 25, 2014 (Photo: AP)
In this photo provided by Egypt's state news agency MENA, Egyptian President Abdel-Fattah el-Sissi, second right, and other officials follow a soldier carrying medals of troops killed in Friday's assault in the Sinai Peninsula, during a military funeral in Cairo, Egypt, Saturday, Oct. 25, 2014 (Photo: AP)