 Immediately after, he wrote to the Duke of Teschen, inviting the Austrian army to occupy Wallachia as a buffer zone.In early August, Cantacuzino welcomed in his home Halim Pasha, whose small expeditionary force restored an Ottoman presence in Bucharest; Austria's consul Anton Ritter von Laurin was also present.Presiding over a delegation that also included Câmpineanu and Alexandru II Ghica, Cantacuzino presented Sadyk Pasha and his Ottoman Cossacks with the keys to the city.