Sounds detected in undersea area where Argentine sub went missing

By Walter Bianchi and Maximiliano RizziMAR DEL PLATA, Argentina/BUENOS AIRES (Reuters) - Argentine authorities were analyzing sounds detected by probes deep in the South Atlantic on Monday as they searched for a navy submarine that went missing five days ago after reporting an electrical malfunction."Special software is being used to study different soundsand acoustics," navy spokesman Enrique Balbi told reporters in Buenos Aires.The probes are being carried out 360 km (223 miles) off the coast