Updated to include BNY Mellon spokesperson's statement.



)-- South Carolina has sued

BNY Mellon

(BK) - Get Bank of New York Mellon Corporation Report

, claiming the bank cost the state $200 million in bad investments tied to subprime mortgages.

State Treasurer Curtis Loftis said that the bank did not, "follow specific investment guidelines, choosing risky subprime mortgages among other contract violations," within a securities lending program that BNY Mellon ran for the state.

Loftis also claims that BNY Mellon invested the state's money in debt instruments, including notes tied to now defunct

Lehman Brothers

investment bank.

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"Our contract called for investments limited to conservative, high quality instruments," Loftis said in the press release.

A BNY Mellon spokesperson gave this emailed statement: "We believe the lawsuit is without merit and we intend to defend ourselves vigorously."

--Written by Maria Woehr in New York.

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