 The militia retreated to Montego Bay while the Black Regiment advanced an invasion of estates in the hills, inviting more slaves to join while burning houses, fields and other properties, setting off a trail of fires through the Great River Valley in Westmoreland and St. Elizabeth to St James.The Baptist War, as it was known, became the largest slave uprising in the British West Indies, lasting 10 days and mobilised as many as 60,000 of Jamaica's 300,000 slaves.The rebellion was suppressed by British forces under the control of Sir Willoughby Cotton.