A coroner's office in Ohio is investigating the death of a college student who died less than a week after his return to the US after nearly a year-and-a-half in North Korean detention.

North Korea is preparing to charge two American detainees for carrying out what it says were hostile acts against the country.

THE boardroom turmoil at Harvester owner, Mitchells & Butlers, intensified yesterday when its interim boss became the latest leader to call time on the troubled company.