NewsFour killed in refinery blast : An investigation is under way after four contractors were killed in an explosion and fire at a Pembrokeshire oil refinery.

The family of one victim have confirmed to the BBC that she was Julie Jones, a 55-year-old fire guard.

Another worker is critically ill but stable with burns after Thursday's blast at Chevron's Pembroke plant.

All those killed and injured were from Pembrokeshire, and specialist teams are recovering the bodies.