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
Detectives have been granted more time to question a man suspected of murdering off-duty police constable Neil Doyle.
A businesswoman from Warrington is taking on a 24 hour cleaning marathon to raise money for a children's hospital.
Mainly cloudy today, with strong winds and sustained speeds of 30-35mph, showers later in the day