A voluntary ban on smoking is being introduced in all public play areas across Sefton later.
The borough has received overwhelming support from residents.
Research shows that reducing children's exposure to cigarettes makes them less likely to smoke when they're older
More top news
Cloudy, wet Sunday afternoon. Turning windier overnight into Monday with a second band of rain affecting us on Bank Holiday Monday morning
A 52 year-old man has died after being struck by a car in Salford. The car failed to stop at the scene but was later found on Dalton Drive.
Cumbria Police are investigating the suspicious death of a 35 year old man in Barrow in Furness.