The Turkish president has hit out at military graduates who took a pro-secular oath during their graduation ceremony, promising that those behind it would be “purged” from the military. Speaking at a conference for Islamic schools in the northwestern city of Kocaeli on Saturday, President Recep Tayyip Erdogan described those involved as “opportunists.” He added that an investigation was underway and vowed that “the few impertinent individuals responsible will be purged.” “Whoever they are, it is not possible for them to be part of our military,” Erdogan said. Erdogan was present at the graduat…