Photo Gallery Mourning in Egypt
Global leaders have condemned the deadly New Year's Day attack outside a Coptic Christian church in Egypt. The attack sparked riots and anger. Here, Egyptian riot police clash with Christians in front of the Coptic Orthodox church in Alexandria on Jan. 1.
Pope Benedict XVI on Sunday called the attack a "vile gesture of death" and said it "offends God and all of humanity."
The car exploded shortly after midnight, targeting Coptic Christians who were attending the New Year's Eve mass.
The bloody attack left 21 people dead and up to 100 injured.
Angry Christians took to the streets following the blast. Demonstrations on Saturday and Sunday included some violent clashes with police and Muslims.
A police forensics expert scours the site for evidence on Jan. 1. A local newspaper reported Monday that seven people had been detained for questioning after the bombing.
Christians gather outside the Coptic Orthodox church after the car bomb attack: Christians make up roughly 10 percent of Egypt's population.
An Egyptian Coptic woman cries in front of the church where the attack took place.
Egyptian President Hosni Mubarak blamed the bombing on "foreign hands" seeking to destabilize Egypt.
A victim injured in the attack rests in a hospital in Alexandria on Jan. 1.
Egyptian Coptic Christians protested in downtown Cairo on Sunday, Jan. 2. "I heard the news with horror and disgust," German Chancellor Angela Merkel said in a message released by her office on Monday.