Families, relatives of Egyptian Coptic Christians mourn mass beheadings by Islamic State

The picture on February 13, 2015, Coptic Christian men whose relatives were abducted by Islamic State militants in the central city of Sirte, Libya more than a month ago, protest at the Coptic cathedral in Cairo, Egypt. A video purporting to show the mass beheading of Coptic Christian hostages was released Sunday, February 15, 2015, by militants in Libya affiliated with the Islamic State group. (Source: AP)

In this February 13, 2015 photo, relatives of Coptic Christian men who were abducted by Islamic State militants in the central city of Sirte, Libya more than four weeks ago, protest at the Coptic cathedral in Cairo, Egypt. (Source: AP)

A Coptic Christian woman prays for the release of 21 Coptic Egyptian men whose were abducted by Islamic State militants in the central city of Sirte, Libya more than a month ago, during a protest at the Coptic cathedral in Cairo, Egypt. (Source: AP)

On Saturday, relatives of abducted Coptic Christian Samuel Walham, one of 21 Coptic Egyptian men seized by Islamic State militants weep at their home in the village of el-Aour, near Minya, 220 kilometers (135 miles) south of Cairo, Egypt. (Source: AP)

Family of abducted Coptic Christian Samuel Walham, one of 21 Coptic Egyptian men seized by Islamic State militants in the central city of Sirte, Libya more than a month ago, weep outside their home in the village of el-Aour, near Minya. (Source: AP)

Family member of abducted Coptic Christian Samuel Walham, weep outside their home in the village of el-Aour, near Minya. A video purporting to show the mass beheading of Coptic Christian hostages was released Sunday, February 15, 2015, by militants in Libya affiliated with the Islamic State group. (Source: AP)

Family member of abducted Coptic Christian Samuel Walham, one of 21 Coptic Egyptian men seized by Islamic State militants in the central city of Sirte, Libya, more than a month ago, weeps at her home in the village of el-Aour, near Minya. It was not clear from the video whether all 21 hostages were beheaded on Sunday. (Source: AP)

Family of abducted Coptic Christian Samuel Walham, one among the 21 abducted, weep in their village home. The Egyptian government and the Coptic Church, which is based in Egypt, both declared the video authentic, which was released by the Islamic State group on Sunday. (Source: AP)

In this Saturday, February 14, 2015 photo, relatives of abducted Coptic Christian Samuel Walham, one of 21 Coptic Egyptian men seized by Islamic State militants. (Source: AP)

In this Saturday, February 14, 2015 photo, Ibtassal Lami, mother of abducted Coptic Christian Samuel Walham, one of 21 Coptic Egyptian men seized by Islamic State militants in the central city of Sirte, Libya more than a month ago, weeps at their home. Samuel Walham’s family immediately recognized him from the picture, showing him kneeling on the beach alongside four other hostages each flanked by a knife-wielding militant. (Source: AP)

In this Saturday, Feb. 14, 2015 photo, Ibtassal Lami, mother of abducted Coptic Christian Samuel Walham, holds his picture as she weeps at their home in the village of el-Aour near Minya, 220 kilometers (135 miles) south of Cairo, Egypt. A video purporting to show the mass beheading of Coptic Christian hostages was released Sunday, February 15, 2015, by militants in Libya affiliated with the Islamic State group. (Source: AP)

In this February 14, 2015 photo, family members of abducted Coptic Christian Malak Ibrahim, one of 21 Coptic Egyptian men seized by Islamic State militants sit at home in the village of el-Aour, near Minya. A video purporting to show the mass beheading of Coptic Christian hostages was released Sunday, February 15, 2015, by militants in Libya affiliated with the Islamic State group. (Source: AP)

In this Saturday, Februray 14, 2015 photo, Mariam Farahat, 23, wife of abducted Coptic Christian Malak Ibrahim, one of 21 Coptic Egyptian men seized by Islamic State militants is reflected in a mirror, at their home in the village of el-Aour, near Minya, 220 kilometers (135 miles) south of Cairo, Egypt. A video purporting to show the mass beheading of Coptic Christian hostages was released Sunday, February 15, 2015, by militants in Libya affiliated with the Islamic State group. (Source: AP)

The image made from a video released on Sunday February 15, 2015 by militants in Libya claiming loyalty to the Islamic State group purportedly shows Egyptian Coptic Christians in orange jumpsuits being led along a beach, each accompanied by a masked militant. Later in the video, the men are made to kneel and one militant addresses the camera in English before the men are simultaneously beheaded. (Source: AP)