German cruiser Admiral Hipper attacked Allied convoy HX53 800 miles west of Gibraltar at 0618 hours, sinking 7 ships (British ships arlaby, Westbury, Oswestry Grange, Shrewsbury, and Derrynane; Norwegian ship Borgestad; and Greek ship Perseus). At 0740 hours, Admiral Hipper broke off the attack as rain helped the remaining Allied transports escape. Admiral Hipper had nearly expended all of her 203-mm shells in this attack.
