U.S. sources say no arrest made yet in Boston bomb investigation

WASHINGTON (Reuters) - There have been no arrests made yet in the bombings at the Boston Marathon that left three people dead and scores injured, U.S. government and law enforcement sources said on Wednesday.

One of the sources said there was no one in custody either.

(Reporting by Tabassum Zakaria and Mark Hosenball; Editing by Sandra Maler)