(June 20, 2018, 1:20 PM EDT) -- LONDON — An English appeals panel on June 19 denied an appeal filed by the Republic of Kazakhstan and its national bank, holding that the Bank of New York Mellon SA/NV can freeze $22.6 billion held in Kazakhstan’s national fund in relation to an attempt by investors to obtain payment of a $497,685,101 arbitral award (National Bank of Kazakhstan, et al. v. The Bank of New York Mellon SA/NV, No. [2018] EWCA 1390, England and Wales High, Comm.)....