On April 7th, 2012 in Istambul, four men requested to enter a church. When the church leader told them to come back the next day because it was too late in the day, they threatened to kill him unless he recited the Muslim creed. Then they hit him and fled the place, the church later installed security systems.
Source: Report by Holy See National Contact Point for Hate Crimes against Christians on the basis of a report of the Apostolic Nunciature in 2012