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
Frost and fog overnight into Monday. Turning milder this week
Cold start but turning milder this week.
Churches in parts of Manchester are urging people to bin their blades in the run up to Christmas.