Mourners in Cairo after yesterday's terrorist attack on St. Paul Coptic Church

Security forces intervene people during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on 12 December, 2016 [Ahmed Gamil/Anadolu Agency]

CAIRO, EGYPT – DECEMBER 12: People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

CAIRO, EGYPT – DECEMBER 12: People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

CAIRO, EGYPT – DECEMBER 12: People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighbourhood of Cairo, Egypt on 12 December, 2016 [Ahmed Gamil/Anadolu Agency]

CAIRO, EGYPT – DECEMBER 12: People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

CAIRO, EGYPT – DECEMBER 12: Security forces intervene people during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

CAIRO, EGYPT – DECEMBER 12: Security forces intervene people during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

CAIRO, EGYPT – DECEMBER 12: Security forces intervene people during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

CAIRO, EGYPT – DECEMBER 12: People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

CAIRO, EGYPT – DECEMBER 12: People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Cairo, Egypt on December 12 2016 [Ahmed Gamil/Anadolu Agency]

CAIRO, EGYPT – DECEMBER 12: People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

CAIRO, EGYPT – DECEMBER 12: People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

CAIRO, EGYPT – DECEMBER 12: People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )

CAIRO, EGYPT – DECEMBER 12: People react during the funeral ceremony for the victims of the explosion at Saint Peter and Saint Paul Coptic Orthodox Church in Abbasiya district, at Church of the Virgin Mary in Nasr City neighborhood of Cairo, Egypt on December 12, 2016. ( Ahmed Gamil – Anadolu Agency )