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A plot by terrorists to use dirty bombs laced with the deadly chemical osmium tetroxide to attack U.S. targets including the Sears Tower in Chicago was uncovered by British intelligence and law enforcement authorities, according to a report in Joseph Farah's G2 Bulletin. British police and military bomb experts passed on information to their U.S. counterparts. Traces of the chemical, as well as manuals for its use, were discovered by the British intelligence community during raids following the March Madrid attack. A number of intelligence and security agencies include osmium tetroxide in their list of dangerous materials. It can be...

Police and the security services have foiled a terrorist plot to launch a poison gas attack in Britain. A plan to use a highly toxic chemical called osmium tetroxide was uncovered after communications between terror suspects were monitored. The chemical compound, which can be bought on the internet for £17 a gram, causes victims to choke to death in agony and turns skin black. It also attacks the cornea and can lead to blindness. Anti-terror chiefs fear the target for an attack could have been the London Underground system, Gatwick airport or a crowded public area like a shopping centre....

  Used primarily in laboratories for research, osmium tetroxide is known to attack soft human tissue and could blind or kill anyone who breathed its fumes.ABCNEWS.com ‘Very Nasty’ Potential Bomb Plot Involved Deadly Chemical By Brian Ross and Christopher Isham ABCNEWS.com April 5— British authorities believe terror suspects arrested last week were planning to make a bomb that would include a highly toxic, easily obtained chemical called osmium tetroxide, ABCNEWS has learned. Used primarily in laboratories for research, osmium tetroxide is known to attack soft human tissue and could blind or kill anyone who breathed its fumes. According to...

Aril 5— British authorities believe terror suspects arrested last week were planning to make a bomb that would include a highly toxic, easily obtained chemical called osmium tetroxide, ABCNEWS has learned. Used primarily in laboratories for research, osmium tetroxide is known to attack soft human tissue and could blind or kill anyone who breathed its fumes. According to the New Jersey Department of Health, it is a colorless to pale yellow solid with a strong, unpleasant odor. "It's a nasty piece of work," said Dave Siegrist, a bioterrorism expert at the Potomac Institute for Policy Studies in Arlington, Va. "It...