('A war of religions': Fury in France over how known jihadists on terror watchlist were allowed to murder priest as Sarkozy calls for 'a merciless response) Fury has erupted in France as the nation's current and former leaders call for a 'merciless' response to an attack that left an 84-year-old priest dead and a nun critically injured. Two knifemen burst into a Normandy church this morning before filming themselves butchering elderly priest, Jacques Hamel, and performing a 'sermon in Arabic' at the altar, according to a witness. French president Francois Hollande said the country is now 'at war' with ISIS...