An oil storage tank explosion occurred at the Corpus City plant in the United States, Texas.
The cause of the incident is being investigated. The explosion occurred while the workers of the plant were cleaning the tank in order to re-fill it. Seven people were injured, four of them are in critical condition. The material damage from the emergency was not large. No air pollution was detected in the fire area.
On Friday, there was a powerful explosion at the oil refinery in Durban in South Africa. The sound from it spread for 25 kilometers. On Thursday, in the UK, an explosion occurred at a sewage treatment plant in Bristol, killing four people.