US forces have launched missile attacks on Syria, a country in the Middle East.
The attacks were aimed at forces that support Syria's President Assad.
The American President, Donald Trump ordered the attacks because he believes that President Assad was behind a chemical weapons attack in Syria last week.
He said that he ordered "a targeted military strike on the airfield in Syria from where the chemical attack was launched.
It is in this vital national security interest of the United States to prevent and deter the spread and use of deadly chemical weapons"
The Syrian army say six people have been killed in the missile attack.
President Assad says that he didn't have anything to do with the chemical weapons attack.
The UK government says it fully supports the US missile strikes on Syria.
Russia has condemned the missile attacks.
There has been a war in Syria for more than 6 years. Learn more about it with Newsround's guide.
You can find out more about chemical weapons here.
And if anything in the news upsets you, read our advice and helpful guide.