Gunmen attacked a wedding party in the eastern Afghan province of Nangarhar overnight, killing nine people and injuring five others, a government spokesman said Thursday. According to dpa, the groom and his father were among those killed in the attack, which took place in Dur Baba district just after midnight on Thursday, Ahmad Zia Abdulzai, a spokesman for the provincial governor said. "The attackers stormed the guestroom in a compound where a wedding party was going on and killed nine people," Abdulzai said. No group immediately took responsibility for the attack, and the motive behind the shooting was not known.