At least fifty people are now known to have died after a series of explosions in the northern Chinese city of Tianjin.
More than 700 people have been injured, according to medics.
The blasts happened on Wednesday at a warehouse that was used for storing chemicals .
Local officials said air and water pollution levels were being closely monitored and they the army was being called in to assist.
The first explosion occured at 1730 CET on Wednesday.
A stronger blast followed shortly afterwards, along with a series of smaller explosions.
They ripped through buildings within a two kilometre radius and hUndreds of cars were set ablaze.
Xinhua, the state news agency, said one thousands firefighters were drafted in to tackle the flames.
The country’s president, Xi Jinping, said those responsible should be “severely handled”