MADRID, Spain - An Islamic group that claims responsibility for the Madrid bombings says it will turn Spain "into an inferno" unless the country halts its support for the United States and withdraws its troops from Iraq (news - web sites) and Afghanistan (news - web sites). The threat came in a letter faxed to the Spanish daily newspaper ABC over the weekend, the paper said Monday. ABC said the letter was handwritten in Arabic and signed "Abu Dujana Al Afgani, Ansar Group, al-Qaida in Europe." The same person claimed responsibility for the March 11 bombings in a videotape...