BAGHDAD, November 06, SPA -- Twin roadside bombs exploded during themorning rush hour near a checkpoint in central Baghdad onThursday, killing four people and wounding seven others,police said. A security official said the twin blasts in the capital'sSheik Omar enclave occurred at a checkpoint . Two civilian bystanders were among those killed in theblast, the official was quoted as saying by the Associated Press.--SPA www.spa.gov.sa/604946