The British returned in 1807. Cornelio Saavedra marched to Montevideo, but was informed at Colonia del Sacramento of the capture of the city. The British planned to use it as a staging point for their planned invasion of Buenos Aires. To frustrate the British operations, Saavedra ordered the withdrawal of all military hardware from Colonia, considered indefensible at that point, and mobilized those troops and equipment to Buenos Aires to fortify the city. The renewed attack to Buenos Aires took place shortly afterwards, the British army consisting of 8,000 soldiers and 18 cannons—significantly more than the 1,565 men and 8 cannons used for the first British invasion attempt. After an initial victory in the pens of Miserere, the British army entered the city of Buenos Aires on July 5.