"A bomb claimed by a little-known Sunni Arab extremist group killed at least 37 Shiites and wounded another 40 in Baghdad on Saturday as they stocked up fuel for Ramadan, just days after the U.S. military warned sectarian violence would surge during the Islamic holy month.
Al-Qaida in Iraq's leader also reappeared in an old video posted on the Internet just as Sunni Arabs declared the start of Ramadan."
