Islamic State claims responsibility for massive car bombing in Cairo
Dozens were wounded when a car bomb exploded overnight near a security building and a courthouse in a Cairo suburb. Egyptian authorities have mounted the toughest security crackdown against militants in the country's history. (Reuters)
By Erin Cunningham and Heba Habib-August 20
CAIRO — The Islamic State claimed Thursday it carried out a massive car bombing that targeted Egyptian security forces in Cairo, calling the operation revenge for the deaths of some of its members earlier this year.
