Jan 24 (Reuters) - U.S. refiner CVR Energy CVI.N said on Friday it has commenced planned turnaround at the Coffeyville refinery in Kansas, days after a fire broke out in its naphtha hydrotreater unit.
(Reporting by Vallari Srivastava in Bengaluru; Editing by Alan Barona)
((Srivastava.Vallari@thomsonreuters.com))