sentences:  The significance of Bruges was not lost on British naval planners and two previous attempts to close the exit at Ostend, the smaller and narrower of the Bruges canals, had ended in failure.On 7 September 1915, four "Lord Clive"-class monitors of the Dover Patrol had bombarded the dockyard, while German coastal artillery returned fire.Only 14 rounds were fired by the British with the result that only part of the dockyard was set on fire.