Hope for missing Argentine submarine as possible calls detected

A Royal Navy patrol ship has begun scouring the the South Atlantic for a missing Argentine submarine after failed satellite calls thought to be from the vessel raised hopes the crew were still alive. Argentine officials said naval bases had detected seven incomplete satellite calls over the weekend attributed to the sub and were now trying to use them to pinpoint its location. The communication attempts "indicate that the crew is trying to re-establish contact, so we are working to locate t