The boy accused of stabbing a bishop as he delivered a sermon had been mentally 'poisoned' in the lead-up to the alleged attack, Muslims who prayed with him have claimed. The 16-year-old, who cannot be named for legal reasons, allegedly lunged at Bishop Mar Mari Emmanuel, 53, and stabbed him in the head at Christ The Good Shepherd Church in Wakeley, in Sydney's west, at about 7pm on Monday. Father Isaac Royel, who serves in the Assyrian ministry at St Shimun Bar Sabbae and St Mary Cathedral, was among many parishioners who attempted to intervene - and as a result...