Religious strife

In this image provided by the U.S. Navy, the guided-missile destroyer USS Porter (DDG 78) launches a tomahawk land attack missile in the Mediterranean Sea, Friday, April 7, 2017. The United States blasted a Syrian air base with a barrage of cruise missiles in fiery retaliation for this week's gruesome chemical weapons attack against civilians. (Mass Communication Specialist 3rd Class Ford Williams/U.S. Navy via AP)

FILE -- This Tuesday April 4, 2017, file photo, provided by the Syrian anti-government activist group Edlib Media Center, that is consistent with independent AP reporting, shows a man carrying a child following a suspected chemical attack, at a makeshift hospital in the town of Khan Sheikhoun, northern Idlib province, Syria. Walid Moallem, Syria's Foreign Minister, told reporters Thursday, April 6, 2017, that it didn't use chemical weapons in Tuesday's attack, and he blamed the rebels for stockpiling the deadly substance. (Edlib Media Center, via AP, File)

Conservative MP Tobias Ellwood, left, stands amongst the emergency services at the scene outside the Palace of Westminster, London, Wednesday, March 22, 2017. London police say they are treating a gun and knife incident at Britain's Parliament "as a terrorist incident until we know otherwise." The Metropolitan Police says in a statement that the incident is ongoing. It is urging people to stay away from the area. Officials say a man with a knife attacked a police officer at Parliament and was shot by officers. Nearby, witnesses say a vehicle struck several people on the Westminster Bridge. (Stefan Rousseau/PA via AP).

Police secure the area close to the Houses of Parliament in London, Wednesday, March 22, 2017. The leader of Britain's House of Commons says a man has been shot by police at Parliament. David Liddington also said there were "reports of further violent incidents in the vicinity." London's police said officers had been called to a firearms incident on Westminster Bridge, near the parliament. Britain's MI5 says it is too early to say if the incident is terror-related. (AP Photo/Matt Dunham)