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During the fighting, the Hòa Hảo attempted to help the Bình Xuyên by attacking towns and government forces in their Mekong Delta heartland. Ba Cụt's men, who had also been angered by the recent arrest of some colleagues, blockaded the Mekong and Bassac rivers and laid siege to various towns, including Sa Đéc, Long Xuyên and Châu Đốc, stifling the regional economy. The Hòa Hảo shut down several important regional roads and stopped the flow of agricultural produce from the nation's most fertile region into the capital, causing food prices to rise by 50%, as meat and vegetables became scarce. Ba Cụt then attacked a battalion of VNA troops south of Sa Đéc. Soon after, they retreated to a Hòa Hảo citadel on the banks of the Bassac. After reinforcing their base, the Hòa Hảo proceeded to fire mortars across the water into the city of Cần Thơ, which stood on the opposite side of the river. During this period, the United Front publicly accused Diệm of trying to bribe Ba Cụt with 100 million piasters, to which the Hòa Hảo responded with a series of attack on outposts and blasts to destroy bridges.