 It was damaged and withdrew under the cover of fire from a naval squadron commanded by Commodore Josiah Tattnall.In 1860, an Anglo-French army gathered at Hong Kong and then carried out a landing at Pei Tang on 3 August, and a successful assault on the Taku Forts on 21 August.On the march to Beijing the Anglo-French forces pushed aside several Manchu military units but the fighting was limited.