 Fortunately for Light, his garrison on the island was reinforced by two companies from Calcutta.After failing to persuade the Sultan to disband his forces, the British East India Company launched amphibious assaults at night, destroying Kedah's military installations in Perai, and defeating both the pirates and the Sultan's army.In 1800, the first Lieutenant-Governor of the "Prince of Wales Island", Sir George Leith, gained a strip of Seberang Perai from the Kedah Sultan and renamed it Province Wellesley.