KIEV, June 10 - Arcelor Mittal Kryviy Rih, Ukraine's biggest steel producer, announced it is experiencing disruptions in supplies of metallurgical limestone that have brought the company to the verge of suspending operations.

"The plant is on the verge of shutting down," a company spokesman said at a meeting of Ukrainian mining officials in Kiev on Tuesday. The spokesman noted that the production and sale of metallurgical limestone is currently divided up between the Metinvest group and the company Chelsy.