Mexico City mayor says to probe Wal-Mart "store by store"

MEXICO CITY (Reuters) - Mexico City's mayor, Marcelo Ebrard, said on Thursday authorities in the capital would investigate allegations "store by store" that the Mexican unit of Wal-Mart Stores Inc bribed officials to expand its business in the country. Related Stories Jordan's prime minister Khasawneh resigns Afghanistan, Iran agree prisoner swap Exclusive - U.N. plans aid for 1 million Syrians