Blast at chemical recycling plant injures 30

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May 4, 2017 6:23 PM

Emergency services said several air quality measuring stations in the area showed normal readings, easing concerns about toxic pollution.

Black smoke billows after an explosion at a warehouse containing hazardous chemical waste near Madrid on May 4, 2017

At least 30 people were injured Thursday, three of them seriously, in an explosion at recycling site for hazardous chemical waste near Madrid, forcing the evacuation of nearby schools, authorities said.

The blast in Arganda del Rey sent up a huge column of black smoke, but emergency services said several air quality measuring stations in the area showed normal readings, easing concerns about toxic pollution.

Madrid's emergency services centre said on Twitter there had been "several explosions" at the site which seriously injured three people, "two with burns and one with a broken pelvis".

A spokesman for the firefighters told AFP that another 27 were hurt to a lesser degree.

It was unclear whether the injured were all workers at the warehouse.

The spokesman said authorities were investigating the cause of the explosion, about 30 kilometres (20 miles) southeast of the Spanish capital.

The emergency services centre added that several schools near the blaze -- which firefighters were still working to extinguish -- had been evacuated.

"Neighbours have been asked not to leave their homes and to keep windows closed," a spokesman for Arganda del Rey's city hall told AFP, emphasising however that air quality was "normal".

Requimsa, the company that owns the site, "manages and collects all types of hazardous waste", according to its website.

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