July 29 (Reuters) - A fire broke out at CVR Energy Inc's 115,000-barrel-per-day refinery in Coffeyville, Kansas, just after midnight on Tuesday, news website NewsChannel 8 reported.
The fire, which injured four people at the refinery, was put out in about an hour, the report said.
"The victims have varying degrees of burns and were taken to a hospital," NewsChannel 8 (ktul.com) said in the report.
The cause of the fire was not known, according to the report. (Reporting by Debasis Mohapatra in Bangalore; Editing by Lisa Von Ahn)