Corbin, in turn, reported that now that war had begun, the British were starting to lose interest in the Italian mediation offer. Likewise, Ambassador Léon Noël, in Warsaw, was instructed to see if the Poles would agree to attending Mussolini's proposed conference, only to receive an angry reply from Beck about when France proposed to honor the Franco-Polish alliance by declaring war on Germany. Strong British pressure for a warning to be delivered in Berlin made Bonnet reluctantly order Ambassador Robert Coulondre late on the afternoon of the 1st to warn Ribbentrop that if the Germans continued with their aggression, then France would declare war on Germany. At midnight on 1 September, Bonnet had Havas issue a statement saying: "The French government has today, as have several other Governments, received an Italian proposal looking to the resolution of Europe's difficulties. After due consideration the French government has given a "positive response"".