Mark Ellison QC represents corporate owners of Pembroke oil refinery, instructed by Herbert Smith Freehills

In October 2018 Valero Energy UK Ltd and B&A Contracts admitted health and safety charges relating to four deaths and further serious injury caused by an explosion in June 2011 at the Pembroke refinery, then owned by Chevron Ltd.

A sentencing hearing before Mr Justice Lewis concluded in Swansea on 2nd May 2019, and judgment will be given on 6th June 2019.

For more information, please see the BBC and ITV.

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