Security and medical officials, speaking on condition of anonymity because they were not authorized to talk to reporters, said the death toll stood at 28 but feared it could rise. CBS News reports that only three children have apparently survived the attack.
Clothes and shoes could be seen lying in and around the bus, while the bodies of some of the victims lay in the sand nearby, covered with black sheets. Last month, ISIS claimed responsibility for attacks on Coptic churches on Palm Sunday in which at least 49 pe.
Looks like an ISIS duck, smells like an ISIS duck, even walks like an ISIS duck - just hasn't yet been formally claimed by ISIS. The bloodshed came on the eve of the start of the Muslim holy month of Ramadan.
It was the latest attack on Copts after Daesh (the so-called IS) militants bombed three churches in December and April, killing dozens of Christians.
Egypt's Christian minority, which makes up about 10 percent of the country's population, has been the subject of a series of deadly attacks in recent months.
Egypt's Copts are vocal supporters of Sisi, who has vowed to crush Islamist extremism and protect Christians.
According to CBS News, the governor of Minya says that a manhunt is underway to capture the assailants in Friday's attack.
State television reported that the attack killed 28 people, citing the health minister.
About 70 have been killed in bomb attacks on churches in the cities of Cairo, Alexandria and Tanta since December.
Bishop Makarios of the Coptic Orthodox Church in Minya province said numerous victims had been shot at close range.
The Copts have always been a prime target of extremists: They were hit in a massive church bombing just weeks before the country's 2011 Arab Spring uprising, and Islamic militants gave them a particular focus during a crackdown in the 1990s.
It was the latest sign of the burgeoning friendship between Trump and el-Sissi, the former general who toppled democratically elected President Mohamed Morsi, a Muslim Brotherhood member. Attacks on Christian homes, businesses and churches subsequently surged, especially in the country's south.