New Hard-Hitting Advert Shows How 2-3 Breaths Of Toxic Smoke Can Knock A Person Unconscious And Kill A Child In Under A Minute Actress and mother Jill Halfpenny and Fire Minister Shahid Malik today launch a dramatic government campaign that highlights the danger of toxic smoke from house fires and urges the public to test their smoke alarm weekly. The Dont Drown in Toxic Smoke advertising campaign dramatically shows how quickly toxic smoke can impact on the human body. A sleeping ... Distributed by Tubemogul.