The Children (1980 film)

The Children a.k.a. The Children of Ravensback is a 1980 lowbudget horror film, written and produced by Carlton J. Albright. The movie is about five children in a small town who, thanks to a yellow toxic cloud, are transformed into bloodless zombies with black fingernails who microwave every living thing they put their hands on. The surviving adults of the town must attempt to put a stop to them.

Jim and Slim, a couple of workers at a chemical plant in the fictional New England town of Ravensback, decide to call it a day and head for the bar. Unfortunately, a large buildup of pressure leaks from one of the pipes, forming a yellow toxic cloud that drifts across the ground. Meanwhile, a school bus is taking children home. After dropping one child off, Kathy, there are only five children left on the bus Paul MacKenize, Jenny Freemont, Ellen Chandler, Tommy Button, and Janet Shore. Kathys mom arrives to pick her up and drives past the school bus. She waves to the children, as they are singing road songs. Suddenly the bus passes through the toxic cloud. Kathy arrives home, but the school bus is detained somewhere.After Billy Hart, the local sheriff, finds the idling bus abandoned near a cemetery, and the childrens possessions still there, he radioes to his deputy Harry Timmons, and Molly, an older woman who works at the local general store and acts as the parttime police dispatcher. Reluctantly, Timmons sets up a roadblock at the intersection of the main highway and the lone road leading into town, recruiting a couple of armed locals, believing that the children were possibly kidnapped. ........

Source: Wikipedia