 With ample stores, a garrison of about 3,000 men, and an artillery complement of at least 150 guns, the city was expected to hold for at least three months, allowing for the arrival of reinforcements over the sea.On 20 July, after only nine days of siege, the Ottomans exploded a mine under the bastions of Palamidi and successfully stormed the fort.The Venetian defenders panicked and retreated, leading to a general collapse of the defence.