MANILA (Reuters) -Three people died in a shooting at a university graduation ceremony in the Philippines’ capital region on Sunday, including a former mayor from the volatile south of the country, police said. Local Quezon City police chief Remus Medina said the shooting appeared to have been an assassination of the former mayor of the southern Lamitan city, Rose Furigay. The suspect, wounded in a shootout with a campus security officer and arrested after a car chase, was now in custody and being interrogated, Medina told reporters. “He looks like he was a determined assassin,” Medina said, ad…