 He was unable to return to Upper Canada and resigned his office in 1798.He served briefly as the commander of British forces during an expedition to capture Saint-Domingue (present-day Haiti).There, in the spring of 1797, he managed to defend the coastal town of Saint-Marc but lost Mirebalais and the Central Plateau to the forces of Toussaint Louverture, who had been the leader of the slave revolt and by that point commander-in-chief of the Republican forces on the island.