Repsol plant explosion injures 12, one in hospital

MADRID, Nov 20 (Reuters) - Twelve workers were treated for injuries following an explosion on Monday at a refinery run by Repsol (REP.MC), one of whom has been admitted to hospital for observation, a spokesman for the energy company said.

The spokesman could not comment on the seriousness of the injuries or possible causes of the accident, but said it occurred at the company's olefins plant in the eastern port of Tarragona. (Reporting by Martin Roberts)