AlQa'dah 12, 1434, Sep 18, 2013, SPA -- U.N. investigators are planning a quick return to Syria to follow up on several more allegations of chemical-weapons use. Ake Sellstrom, the chief of the inspection team that visited after a major August 21 attack, told CNN that the next visit could happen as early as next week. Based on our preliminary review of information contained in the report, several crucial details confirm the [Bashar al-] Assad regime's guilt in carrying out this attack," U.S. State Department spokeswoman Jen Psaki said Tuesday