TOPSHOT - Egyptian police officers stand near the body of the suicide bomber covered with a sheet on the ground behind al-Azhar Mosque in Cairo on February 19, 2019. - An explosion in Cairo killed two policemen who were chasing a man believed to have targeted security staff near a mosque last week, Egypt's interior ministry said. "As security surrounded the man and was set to arrest and control him, an explosive device in his possession went off," the ministry said. The blast in the crowded Darb al-Ahmar district in downtown Cairo also killed the bomber and injured three other policemen. (Photo by STR / AFP)