A CNN correspondent in Baghdad quoted Iraqi officials as saying they weren't holding a CBS crew that's been missing for a week and didn't have any information about the four-member news team.

CBS, meanwhile, said it had expanded efforts to find the crew by "urgent and aggressively" contacting officials in the United States and other countries, including Iraq.Correspondent Bob Simon, producer Peter Bluff, cameraman Ro-berto Alvarez and soundman Juan Caldera disappeared Jan. 21 while covering the Persian Gulf war. They were traveling without military escort near occupied Kuwait.