P161 CEEFAX 161 Sat 9 Apr 00:45/24 -n2n1 -/.%/.%/, WORLD US CONCERN OVER BIOLOGICAL WEAPONS The US has said it is concerned Russia may not have fully stopped its work on biological weapons. Part of the concern has been blamed on a "biological infrastructure" with no apparent commercial purpose found by US and British ixpjrts. But the Washington Post also said a Russian scientist who defected to the US last year gave an account of secret research into germ warfare. President Yeltsin admitted Russia violated a 1972 treaty banning biological arms at least until 1990 --,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,. Next News Main News Home News Top Sport