Nov 20 (Reuters) - Royal Dutch Shell PLC has issuedan alert on a leak at its facility at Corunna in Sarnia,Ontario, according to a notice from the Sarnia-Lambton communityalerting system.
Shell operates a 75,000-barrel-per-day refinery in Sarnia.
"The site emergency warning system has been activated andShell personnel are currently responding," the notificationadded.
The notice did not specify if the fire affected refineryoperations. (Reporting by Anupam Chatterjee in Bangalore)