British cargo ship Clan Oglivy sunk by enemy submarine torpedoed and sunk according to the War Cabinet Weekly Résumé No. 83 of the Naval, Military and Air Situation 27 March-3 April 1941

An item reported that on 20 March was torpedoed and sunk by an enemy submarine the British merchant ship Clan Oglivy, tonnage 5,802 tons , loaded with tea and general, underway from Chittagong British India [nowadays Bangladesh] to Glasgow, Scotland, part of convoy yes, on the position 182 miles north north west of St. Antonio, Cape Verde. What the fate was of her crew was yet unknown.

Source

National Archive UK. CAB-66-16-1.