Fire struck the apartment of Ezra Merkin, former associate to Brooklyn money crook Bernie Madoff, in the luxury co-op building at 740 Park Avenue late Wednesday afternoon. The building is an Art Deco masterpiece and home to some of the richest and most powerful people in the world. Two firefighters were injured fighting the blaze. A source with knowledge of the fire's impact told Patch the 6th floor unit where the fire occurred belongs to Merkin. The source said all residents have been evacuated, and Merkin's apartment is severely damaged.