A special Newsround programme looks at the truth behind the headlines about children and knife crime - a subject you've told us you're worried about.
Using animation, Newsround on Knives tells the stories of some of the kids whose lives have been affected by knives.
They're real children, talking about their own experiences.
The programme was shown at 5pm on BBC1 on Thursday 27 March but you can still watch it here on the website...
It's important to remember that although knife crime may seem to be in the news a lot, it doesn't mean it's happening all the time.
If you're worried about it, we have loads of advice from experts who deal with these issues all the time. Just click on the links on the right hand side of this page.