The Mexican state oil company told press Wednesday evening that the situation was under control and the public was not at risk after an apparent explosion and fire at the Petroquimica Mexicana de Vinilo (PVM) plant in the Pajaritos complex.

Pemex operates the plant in the coastal city of Veracruz state in a joint venture with the Mexichem conglomerate.

Company leadership including chief executive Jose Antonio Gonzalez Anaya, fresh off an trip visiting investors in New York City, rushed on Wednesday evening to a dramatic scene that saw hundreds evacuated and a thick column of black smoke erupt onto the skyline.

The