The death toll from the massive explosions in the port city of Tianjin stands at 112 as scores of firefighters remain unaccounted for.
The warehouse where the blasts originated was storing 700 tonnes of sodium cyanide, 70 times the permitted amount, according to state media.
Thousands have been evacuated as the authorities warn local people to take protective measures. More than 720 people remain in hospital.
Over 8,000 new imported cars were destroyed in the explosions.