The verdict is the first against the ousted Islamist leader since he was detained nearly two years ago.
The corpses offer some of the first concrete evidence about a terrible massacre of Shiite soldiers in Tikrit.
Mohamed Soltan’s detention has raised questions about the United States’ ability to assist dual nationals prosecuted in Egyptian courts.
After their defeat in Tikrit, the militants launched a devastating assault on Iraqi government forces in Ramadi.
Leaders meeting in Egypt agreed to create the combined military force while a Saudi-led coalition spent its fourth day attacking Shiite rebels in Yemen.
Patrols were increased nationwide as officials feared follow-up attacks.
Two of the gunmen, who targeted tourists at a museum, were reportedly Tunisians who trained in Libya.
The assault on Tunisia’s most renowned museum, in which gunmen killed at least 19 people, could heighten tensions in a nation that has become deeply divided between pro- and anti-Islamist factions.
As Iraqi troops clear Islamic State fighters from towns, residents wonder about when they will be able to return.
Russian President Vladimir Putin landed in Egypt on Monday, calling on fellow strongman and Egyptian President Abdel Fattah El-Sissi