An explosion at a Mitsubishi Materials chemical plant in Yokkaichi, Japan, kills at least five people and injures 17 others.

On 9 January 2014, an explosion occurred at a Mitsubishi Materials chemical plant in Yokkaichi, Mie, Japan, killing at least five people and injuring 17 others.

Mitsubishi Materials Corporation , or MMC, is a Japanese company. It is a manufacturer of cement products, copper and aluminum products, cemented carbide tools, and electronic materials. It is one of the core companies of Mitsubishi Group.

Yokkaichi is a city located in Mie Prefecture, Japan. As of 1 August 2021, the city had an estimated population of 310,259 in 142162 households and a population density of 1500 persons per km². The total area of the city is 206.44 square kilometres (79.71 sq mi).

January 9 is the ninth day of the year in the Gregorian calendar; 356 days remain until the end of the year.