The British occupation of Manila lasted until Manila was returned to Spain according to the 1763 Treaty of Paris. News that it had been lost did not reach Spain until after the cessation of hostilities between the two powers. Oidor Don Simon Anda y Salazar had been dispatched to Bulacan in order to organize Spanish resistance. There he organized an army of 10,000 Filipinos under the command of Jose Busto in Pinagbakahan, City of Malolos