ISLAMABAD: Omar Saeed Sheikh, a detained Pakistani militant, had made hoax calls to President Asif Ali Zardari and the Chief of Army Staff, Gen Ashfaq Parvez Kayani, in a bid to heighten Pakistan-India tensions after last year’s terrorist attacks on Mumbai, investigators have told Dawn. ‘Omar Saeed Sheikh was the hoax caller. It was he who threatened the civilian and military leaderships of Pakistan over telephone. And he did so from inside Hyderabad jail,’ investigators said. The controversy came to light after Dawn broke the story, exactly one year ago, that a hoax caller claiming to be then Indian foreign...