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
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The boy’s father Tom Evans thanked supporters and said he wants to form a relationship with Alder Hey hospital.
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The request came after two Roma fans appeared in court charged in connection with an incident which left a Liverpool fan fighting for life.