Iraqi Christians attend Mass at the Syriac Catholic church of Our Lady of Salvation, in Baghdad, on Oct. 30, 2016. Militants attacked the church in 2010.

Iraqi Christians attend a Sunday mass at the Syriac Catholic Church of Sayedat al-najat (Our Lady of Salvation) in the capital Baghdad on October 30, 2016, to mark the 6th anniversary when Islamic State group jihadists attacked the church in 2010. / AFP / SABAH ARAR (Photo credit should read SABAH ARAR/AFP via Getty Images)