Kids' questions on racism answered
4 July 2016 Last updated at 08:26 BST
Since the EU referendum result on 24 June, more than 300 hate crimes have been reported to British police.
This is a lot more than usual and Prime Minister David Cameron has said the UK "will not stand for hate crime or these kinds of attacks".
Alex Holmes, an anti-bullying campaigner, has been answering kids' questions about racism.