UPDATE May 27, 10:49 a.m.: The Islamic State group has claimed responsibility for an attack on Coptic Christians traveling to a remote desert monastery south of Cairo that killed 29.
The group's news agency, Aamaq, said on Saturday that an IS unit targeted the bus the previous day and put the death toll at 32.
Egypt responded to the attack, the fourth since December by IS to target Christians, with airstrikes against what the military says are bases in eastern Libya in which the militants have been trained.
ORIGINAL STORY: Gunmen attacked a bus carrying a group of Coptic Christians in Egypt on Friday, killing a number of them, according to Reuters.
The number of deaths in the attack in Minya province was not immediately known, but the Associated Press is reporting at least 10 fatalities.
BREAKING: Egypt state news agency: Gunmen fire on a bus with Coptic Christians south of Cairo, killing and wounding at least 10.
— The Associated Press (@AP) May 26, 2017
--This story is developing.