Chemical Weapons

BOSTON - State and federal officials worked Tuesday to decontaminate a clam boat anchored in isolation off Massachusetts after it dredged up old munitions containing mustard gas, severely sickening a crewman.

BAGHDAD - Even in Saddam Hussein's ruthless regime, "Chemical Ali" stood apart, notable for his role in gassing 5,000 people in a Kurdish village - the deadliest chemical weapons attack ever against civilians.

LEXINGTON, Ky. - Water used to clean explosives overflowed twice at a Kentucky Army depot, and a worker was told to dump rainwater that collected in another part of the depot into the sewer, according to a report obtained by an environmental watchdog.