RABAT, Morocco (Reuters) - Morocco said Wednesday it captured the alleged leader of suicide bombers who killed dozens of people in Casablanca this month but it said he had died in custody from chronic heart and liver disease. State prosecutor Moulay Abdellah Alaoui Belghiti told state television Abdelhaq Moulsabbat was arrested Monday in the central city of Fes, where its poor districts are reputed to be strongholds of radical Islamists. The prosecutor said Moulsabbat died while being taken by investigators from Fes to Casablanca. The prosecutor did not say when he died nor how old he was. "He (Moulsabbat) suffered...