A large fire has broken out a a Shell chemical refinery in the Netherlands, according to local media.
People nearby heard two huge bangs and saw a flash of light, the reports say.
It is not yet known if there are casualties or the extent of the damage.
Images on social media show a fireball rising from the plant which is in Moerdijk, south of Rotterdam.
More top news
Luis Figo will run a campaign for change after announcing his intention to challenge Sepp Blatter for the Fifa presidency
The proportion of ambulances hitting the eight-minute response time target in Wales has plummeted to just 42.6%.
The footballer, who was jailed for five years, claims the 'previously unavailable' information could help clear his name.