OMAR MOHAMMED A Japanese bulk carrier that ran aground on a reef in Mauritius last month threatening a marine ecological disaster around the Indian Ocean island has broken apart, authorities said on Saturday. The condition of the MV Wakashio was worsening early on Saturday and it split by the afternoon, the Mauritius National Crisis Committee said. "At around 4.30 pm, a major detachment of the vessel's forward section was observed," it said in a statement. "On the basis of the experts' advice, the towing plan is being implemented." The vessel struck a coral reef on July 25, spilling about 1,000…