The terror group's Amaq media wing said "a security detachment" of the Islamic State carried out the attacks on churches in the cities of Tanta and Alexandria. The bombings also left scores wounded.

CNN could not independently confirm ISIS was behind the attacks -- or had any prior knowledge in planning them. ISIS often uses Amaq news agency to claim attacks after they have happened.

SIS claimed responsibility for bombings that killed 36 at two Coptic churches in Egypt on Palm Sunday -- brazen strikes against a vulnerable minority on one of the most important days on the Christian calendar.

The terror group's Amaq media wing said "a security detachment" of the Islamic State carried out the attacks on churches in the cities of Tanta and Alexandria. The bombings also left scores wounded.

CNN could not independently confirm ISIS was behind the attacks -- or had any prior knowledge in planning them. ISIS often uses Amaq news agency to claim attacks after they have happened.

The horrific attacks were the latest against Christians in the region, this time on Palm Sunday -- the Sunday before Easter, and the day that marks the start of Holy Week for Christians.

Nile and Masriya TV, Egyptian state outlets, aired black banners in the upper left of its newscasts to signify mourning for the victims of both explosions.

In Tanta, news footage shows people gathered at the church, singing hymns. The video then quickly switches to bars as harrowing screams and cries echo in the background.



"Everything is destroyed inside the church" and blood can be seen on marble pillars, said Peter Kamel, who saw the aftermath of the carnage.

It appeared the explosive device was placed near the altar, he said. Priests and the church choir were among the casualties.

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