ST. LOUIS - An insured is not entitled to damages on any amount already paid by an insurer for the collapse of a refrigerated warehouse caused by an ammonia leak, the Eighth Circuit U.S. Court of Appeals said Nov. 21 (Macheca Transport Co. d/b/a Macheca Cold Storage, et al. v. Philadelphia Indemnity Insurance Co., No. 12-3941, 8th Cir.; 2013 U.S. App. LEXIS 23396).