Original sentence: He claimed to have at first hit a bomber, then an oncoming Bf 109, that burst into flames.On the morning of 13 October, Plt Off Beurling, flying BR173/T-D, attacked with his 249 Squadron a formation of Ju 88, escorted by 30 Bf 109, three miles north of St Paul’s Bay
Edited sentence: He claimed to have at first hit a bomber, then an oncoming Bf 109 that burst into flames.On the morning of 13 October, Plt Off Beurling, flying BR173/T-D, attacked with his 249 Squadron a formation of Ju 88s, escorted by 30 Bf 109s, three miles north of St Paul’s Bay