Lincolnshire Police say a complaint was made to them a fortnight after the Lora was smacked. They say the complaint has been dealt with by "restorative justice", as the shop assistant at Boots wrote a letter of apology to the child and her mother, which was "signed off" by the family.
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Her petition is calling to ensure family courts don't allow known abusers to continue having unsafe access to children.
Official consent is needed for structures due to remain place for more than 28 days and the blade is planned to remain until mid-March.
Livermore looks likely to move to West Brom this week and will now hold talks with the club ahead of Saturday's game against Sunderland.