Egyptian police special forces secure the area outside a courthouse in the Cairo district of Heliopolis on June 25, 2014
Egyptian police said Saturday that four Islamists were killed in an accidental explosion while preparing bombs south of the capital.
Police said the suspected militants were members of the blacklisted Muslim Brotherhood movement of former Islamist president Mohamed Morsi, whom the army toppled in 2013.
The explosion took place on Friday on a farm in the province of Beni Suef south of Cairo, the interior ministry said in a statement.
Police found bomb-making materials at the site, the ministry said…