"During the decisive British victory at Srirangapattanam on 2 May 1799, a British shot struck a magazine of rockets within Tipu Sultan's fort, causing it to explode and send a towering cloud of black smoke up from the battlements, with cascades of exploding white light.Baird led the final attack on the fort on the afternoon of 4 May, and he was again met by "furious musket and rocket fire" - but it did not help much.