Rubuta ci gaba don wannan sakin layi - Lokacin da Yakin Shekaru Bakwai ya fara a watan Afrilu na 1756, Faransanci da sauri ya mallaki tsibirin kuma ya fara Siege na Fort St Philip
, wanda Blakeney ya umurce shi. An yi ƙoƙari da Admiral John Byng ya ɗaga siege a watan Mayu, kuma Blakeney ya mika wuya a ranar 29 ga Yuni. An ba da izinin shiga Gibraltar, wanda gwamnansa Thomas Fowke ne, wanda kotun soja ta yanke masa hukunci amma aka kubutar da shi a 1746 saboda rashin nasarar da aka yi a Prestonpans.