Five things to know about the US-led strikes in Syria
According to US President Donald Trump, "the purpose of our actions tonight is to establish a strong deterrent against the production, spread and use of chemical weapons".
The US and its allies launched more than 100 strikes on Syria in a "one-time shot", officials at the Pentagon said. According to a Syrian government official, around 30 missiles were fired in the attack, and a third of them were shot down.
The US used Tomahawk cruise missiles in its strikes in Syria, which were fired at multiple targets in the country, a US official said.
Joseph Dunford, Washington's top general, said the "precision strikes" hit three targets: A scientific research centre near Damascus that is allegedly connected to the production of the chemical weapons; a chemical weapons storage facility near Homs; a command post near the capital.
Russia's ambassador to the US warned that there would be consequences for the strikes, adding that it was not acceptable to insult Russia's president.