‘Explosion’ heard near missing Argentine submarine’s last known location

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MAR DEL PLATA, Argentina  — A noise detected near the last known location of a missing Argentine submarine on the day it vanished was consistent with an explosion, the Argentine navy said Thursday.
“An anomalous, singular, short, violent and non-nuclear event, consistent with an explosion, was registered,” navy spokesman Enrique Balbi told a news conference in Buenos Aires.
Teams from a dozen nations has been searching by air and sea for the ARA San Juan, which