The Dutch bank ING and two Chinese state-owned lenders could play a crucial role in deciding the fate of beleaguered Thames Water, it has emerged. The banks are expected to agree an extension on a £190m loan to the parent company of Britain’s biggest water supplier, which is due to be repaid at the end of this month. The group of lenders to Kemble Water Finance include ING, Allied Irish Banks (AIB) and the Chinese state-owned Bank of China and Industrial and Commercial Bank of China (ICBC), the Financial Times…