No trace of Argentina sub, 12 days after it vanished

Bahía Blanca (Argentina) (AFP) - An international flotilla backed by aircraft on Monday again probed the South Atlantic for signs of an Argentine submarine missing for 12 days, targeting an area near the vessel's last known position where an explosion was detected.A total of 15 countries, including the United States, Britain, Russia and France, are helping to search for the ARA San Juan, which has 44 crew members on board.The search operation extends for a 22-mile (35-kilometer) radius fr