Twelve people suspected of being involved in the massive explosions at a chemical storage warehouse in Tianjin, China, have been arrested.
According to local media, they included the chairman, vice-chairman and three deputy general managers of the logistics company which had been storing the volatile chemicals.
The blasts killed 139 people and injured hundreds more, leaving the port area of the city in ruins.
The death toll from the massive explosions in Tianjin has risen to 112 with 95 still reported missing, China's Xinhua news agency reported.
Eighty-five of those unaccounted for after Wednesday's blasts in the Chinese port city are firefighters.
Residents who had taken refuge in a school near the site of the explosions were evacuated yesterday after a change in wind direction prompted fears that toxic chemical particles could be blown inland.
Thousands of dead fish have washed up near the site of two explosions which killed at least 114 people in China.
China's authorities face increasing pressure for answers and assistance from citizens left homeless after the devastating factory explosion.