Most of us probably think that bed bugs belong to a bygone age when hygiene was less of a priority.
But the tiny biting insects are on the march. Pest experts say the number of homes invaded by the parasites has exploded in the last decade and they are now a bigger problem than any time since the 1940s.
Some firms say that the number of call-outs they attend has gone up 200-fold in the last ten years.