A mum says it is “heartwarming” to have received more than 10,000 signatures to her petition after her children were denied a Blue Badge. Sarah Johnson, from Meopham, made a plea on social media after the general election announcement scuppered her plans. Her two-year-old daughters, Astrid and Iris, were diagnosed with cerebral palsy last July and struggle to walk. Astrid uses a Kaye Walker but Iris chooses to walk independently, which means she falls over a lot and can only walk a few steps at a time. Sarah decided to apply to Kent County Council for a Blue Badge but was told she did not meet…