MP's message to children: 'Honour Jo Cox by respecting each other'
17 June 2016 Last updated at 17:48 BST
The MP Lisa Nandy has spoken to Newsround about Jo Cox's work helping children around the world.
Jo Cox was an MP who died after being attacked on 16 June in Birstall in West Yorkshire.
Lisa Nandy, who worked with Jo in Parliament, said that she "spent her whole life sticking up for vulnerable children".
Watch what Lisa had to say here.