According to earlier reports, 700 tonnes of sodium cyanide had been stored at the warehouse, an amount which is 70 times what is permitted.
The official government confirmation of the presence of cyanide at the site of the blasts came as then number of casualties continues to spiral, with 112 confirmed dead on Sunday morning.
Disaster: Several hundred tonnes of cyanide were kept at the warehouse devastated by giant explosions in Tianjin, China on Wednesday


