The alleged cell had members in various parts of impoverished upper Egypt and was led by an "emir" Mostafa Ahmed Abdelaal.
Attacks have largely been concentrated in the Sinai Peninsula, but militants have also struck elsewhere across the country.
'A man armed with a knife entered the police station in Cornella to attack the officers. The attacker was shot'
'The ceasefire ends tonight and our operations will begin, inshallah (God willing). We have no intention to extend the ceasefire'
During his weekly audience in St. Peter's Square, the pontiff prayed for "eternal rest to the victims" and "consolation to their relatives" after suicide...
Turkey, a member of the US-led coalition battling IS, also allows US jets to use its air base in southern Turkey for air strikes on the extremists.
Sign up to receive our free newsletter