Two Masked Gunmen Shot One Person Dead In An Istanbul Chuch | Istanbul Attack Latest News | N18VTurkish interior minister says two masked assailants attacked the Catholic Santa Maria church in the Sariyer district in Istanbul during Sunday services, killing at least one person. According to a statement from Interior Minister Ali Yerlikaya, the armed assailants attacked the Santa Maria Church in the Sariyer district at 11:40 a.m. local time. An investigation has been opened and authorities are working on capturing the assailants, Yerlikaya said.