BAGHDAD - Gunmen killed the local head of a Sunni religious group in the Iraqi ShiÂ’ite city of Basra on Friday, the group and state television said. Unknown gunmen shot dead Yusif Al Hassan near the mosque where he led prayers in Basra, 550 km (340 miles) south of Baghdad, colleagues said.Hassan was a senior member of the Muslim Scholars Association, a group from the Sunni minority community that is critical of the U.S.-backed political process.