Argentine submarine latest: Hope for missing crew dwindles as ‘seven-day oxygen supply likely runs out’

The search for a missing Argentine submarine with a crew of 44 has entered a “critical phase”, authorities have said, as the seven-day oxygen supply was due to run out today.The ARA San Juan went missing on 15 November while it was travelling from the extreme southern port of Ushuaia to the city of Mar del Plata, about 250 miles southeast of Buenos Aires.The last known communications with the submarine were two calls - one to report a routine battery fault, while the other call has n