On Sunday I met Prince Esterhazy[1] in Oxford Street with a face a yard long. He turned back with me, and told me that there had been disturbances at Brussels, but that they had been put down by the gendarmerie. He was mightily alarmed, but said that his Government would recognise the French King directly, and in return for such general and prompt recognition as he was receiving he must restrain France from countenancing revolutions in other countries, and that, indeed, he had lost no time in declaring his intention to abstain from any meddling. In the evening Vaudreuil told me the same thing, and that he had received a despatch from M. Mole desiring him to refuse passports to the Spaniards who wanted, on the strength of the French Revolution, to go and foment the discontents in Spain, and to all other foreigners who, being dissatisfied with their own Governments, could not obtain passports from their own Ministers. Yesterday morning, however, it appeared that the affair at Brussels was much more serious than Esterhazy had given me to understand; and, as far as can be judged from the unofficial statements which we have, it appears likely that Belgium will separate from Holland altogether, it being very doubtful whether the Belgian troops will support the King's Government. [1] [Prince Paul Esterhazy, Austrian Ambassador at the Court of St. James for many years.] Madame de Falck is just come, but brings no news. Falck[2] has heard nothing. He left Holland before the outbreak. In the event of such a revolution, it remains to be seen what part Prussia will take, and, if she marches an army to reduce Belgium to obedience, whether the Belgians will not make overtures to France, and in that case whether King Louis Philippe will be able to restrain the French from seizing such a golden opportunity of regaining their former frontier; and if they accept the offer, whether a general war in Europe will not ensue. [2] [Baron Falck, Dutch Minister at the Court of St. James.] [Page Head: WELLINGTON'S FOREIGN POLICY.]