Between 0930 and 1600 hours, 4 German raids of mainly fighters attacked southern England, United Kingdom. At 2035 hours, the Royal Navy base at Portland was bombed. The Germans lost 2 bombers and 20 fighters, while the British lost 9 fighters with 2 pilots killed. Overnight, London suffered a heavy raid which started a large fire at the West India Dock on the River Thames in the East End area of the city.