Syria expert answers your questions
The war in Syria has been ongoing for a number of years now, and many of you have questions about it.
As the war has been happening for so long now, there are many different and complicated parts to understand.
Martin Patience, a BBC Middle East correspondent based in Beirut, has answered some of the questions you have sent in to us.
Watch the clip above to find out more.
If you're upset by anything you see or hear in the news, you can read our guide on what to do.