AMMAN, May 9 (Reuters) - Syrian authorities are working onextinguishing a fire that erupted in its main Homs refinery inthe west of the nation, state media said on Sunday.

The fire had erupted in a distillation unit due to a leak ina pumping station, it said without elaborating.

(Reporting by Suleiman Al-Khalidi;Editing by Andrew Cawthorne) ((suleiman.al-khalidi@thomsonreuters.com; +96279-5521407;))