In Pictures

In pictures: Explosion at Pemex oil plant in Veracruz, Mexico

Image copyright AFP
Image caption The explosion at the Pemex oil plant in Coatzacoalcos in south-east Mexico killed at least three people and sent a huge plume of smoke billowing up
Image copyright AFP
Image caption The cause is unclear. Other Pemex facilities have been hit by explosions in recent years
Image copyright AFP
Image caption More than 130 were wounded in the blast, and many are being treated at a local hospital
Image copyright AFP
Image caption Anxious relatives of workers went to the hospital, where a list of victims was posted
Image copyright Reuters
Image caption Pemex warned local residents to keep away from the site, but said the toxic fumes were dissipating

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