The United States is concerned about the presence of the Jemaah Islamiah militant group in the Philippines but there is no specific threat to President George Bush during his visit to the country this month, a U.S. official said. Ambassador Francis Ricciardone said security officials had not received any specific threats against the president, but added the Southeast Asian militant group remained a major security worry. Bush will be in Manila for eight hours on October 18, on his way to Thailand for the Asia Pacific Economic Cooperation forum summit. Jemaah, labeled the Southeast Asian arm of Osama bin laden’s al Qaeda network, has been blamed for last October’s bomb blasts on the Indonesian resort island of Bali and several other attacks in the region. Full Story