A man of British descent has died after being diagnosed with a rare form of anthrax, hospital authorities said.

A man diagnosed with a rare form of anthrax has died.

A man left fighting for his life in an American hospital after contracting a rare form of anthrax was not believed to be linked to a possible bio-terrorism attack, the US health secretary has said.

A case of anthrax has been confirmed in a man ‘‘of British descent’’ in America, US officials said today.