Possible physical evidence of anthrax attacks uncovered

US investigators have found what may be the first physical evidence in the anthrax attacks of 2001, in ponds in near

FBI divers, sent to the ponds on a tip-off in December, found vials wrapped in plastic, and a box similar to airtight chambers with built-in gloves used by scientists to handle dangerous pathogens, the Post said.

Despite an 18-month investigation, the Federal Bureau of Investigation (FBI) has not found hard evidence linking anyone to the mailing of the anthrax-filled letters, sent to media outlets and members of Congress in late 2001, shortly after the September 11 attacks on the World Trade Center and the Pentagon.