Huge blast at Welsh oil refinery
Fire crews on Thursday extinguished a blaze at an oil refinery in Pembroke Dock, Wales, after a series of explosions rocked the Chevron plant.
Around 50 firefighters tackled the blaze, according to Mid and West Wales Fires Service, which is believed to have been caused by an exploding tanker.
"At 6:20 this evening (17:30 GMT) an incident occurred at the Pembroke refinery," Chevron confirmed in a statement.
"Emergency services were called and they remain on the scene. The fire has been extinguished.
"Appropriate action has been taken to respond to the situation," continued the statement.
"We are still in the process of accounting for all the personnel. Additional information will be provided as soon as it becomes available," the oil company added.
According to a witness, a thick plume of smoke could be seen for kilometres (miles) around.
"I was leaving the site at the end of the day and I could here explosions and see plumes of smoke," he told the BBC.
"You could see flames on the pipework from across the valley," he added.
Local fire and police services could not confirm if there had been any casualties.
© 2011 AFP