May but 73 Squadron Hurricanes from Gaye, near Paris, claimed one aircraft for the loss of two aircraft and one pilot severely burned. During the night of 24/25 May attacked railway sidings at Libramont, supply dumps at Florenville and the roads through Sedan, Fumay, Givet and Dinant with incendiary, anti-personnel and the usual bombs. AASF night sorties equalled the number flown by the but the Battles were not built for night operations, despite night flying training; the limited view from the observer compartment left the occupant unable to help with target finding. Long-range night sorties were extremely difficult and attacks on the Meuse crossings from the AASF bases around Troyes required a cross-country flight. The Allied retreats towards the Channel and North Sea coasts had multiplied the number of supply routes open to the German armies, making attacks on the Meuse crossings less effective. 25 May During the night of 24/25 May, Frankfurt, over the German border, was attacked by 88 Squadron, a -flight of dubious relevance to the fighting in France and Belgium. During the day, about ten Battles from various squadrons attacked German columns on the Abbeville–Hesdin road for the loss of one aircraft, the crew managing to return on foot. A Do 17 was claimed by 73 Squadron for the loss of a Hurricane and the capture of the pilot. The Bletchley Park code-breakers in Britain decrypted a signal received at that revealed a conference of commanders to be held on the next day at the HQ of VIII at in Roumont Château, near Libramont in southern Belgium. The commanders were to arrive at Ochamps airfield nearby, at The Air Ministry received the information in the early hours of 25/26 May and signalled the news to the AASF HQ at sending more intelligence at 26 May Playfair passed orders to attack the château to 103, 142 and 150 squadrons at At fourteen Battles set off for the target supported by Hurricanes of 1 and 73 squadrons. The Battles flew in pairs and the leader of the two aircraft from 150 Squadron lost touch with the other Battle after flying into a storm and descending to . The crew eventually found the château, dive-bombed from and were attacked by four Bf 110s. The pilot tried to hedge hop out of danger and as the Bf 110s gave chase, the pilot fired at a German aircraft he had spotted