BAGHDAD, Iraq - The leader of al-Qaida in Iraq was wounded and an aide was killed in a clash Thursday with Iraqi forces north of Baghdad, the Interior Ministry spokesman said. The clash occurred near Balad, a major U.S. base about 50 miles north of the capital, Brig. Gen Abdul-Karim Khalaf said. Khalaf said al-Qaida in Iraq leader Abu Ayyub al-Masri was wounded and his aide, identified as Abu Abdullah al-Majemaai, was killed.