Northern Alliance President Burhanuddin Rabbani left for Dubai on a secret mission on Sunday, well-placed sources told Dawn. Sources in Kabul said Prof. Rabbani left Kabul for Dubai on Sunday morning, while his close aides were in Bonn where a UN conference of Afghan leaders is scheduled to start on Tuesday. The governor of eastern Nangarhar province, Haji Abdul Qadeer, who is also a close ally of Prof. Rabbani, left Islamabad for Bonn to participate in the peace conference after talks with Pakistani officials.