Assad's main ally Russian Federation has repeatedly issued warnings to the USA that it will shoot back at missiles, warships and jets if they strike against Syria, bringing the U.S. and Russian Federation into direct conflict for the first time.
The British government has signaled that it was ready to back U.S. military action against Syria, saying it was "highly likely" the Assad regime used chemical weapons on its own people and that such action could not go unchallenged.
Earlier on Thursday, Syrian President Bashar al-Assad warned the West against attacking Syria, saying accusations about the suspected chemical attack on Douma were "fabricated".
"We have sought to use every possible diplomatic channel to achieve this", the prime minister said. It is not about regime change.
The Western missile strikes demonstrate the volatile nature of the Syrian civil war, which started in March 2011 as an anti-Assad uprising but is now a proxy conflict involving a number of world and regional powers and a myriad of insurgent groups.
May spoke with President Trump on Thursday night about the global response to Syria, and they "agreed that the Assad regime had established a pattern of risky behaviour in relation to the use of chemical weapons", according to the Downing Street.
"But I believe it should also be a message to others that the global community is not going to stand by and allow chemical weapons to be used with impunity".
At a press conference in Downing Street, Mrs May said: "There is no graver decision for a prime minister than to commit our forces to combat and this is the first time I have had to do so".
Daily Mail shows UK's military prowess Daily Mail
Besides Trump, French President Emanual Macron said in a statement that they also could not tolerate the normalisation of the use of chemical weapons.
Britain would work with the United States and France to coordinate an worldwide response, it added.
Many politicians in Britain, including some in May's own Conservative Party, had called for parliament to be recalled from a break to give authority to any military strike.
May is not obliged to win parliament's approval before ordering military action, but a non-binding constitutional convention to do so has been established since a 2003 vote on joining the USA -led invasion of Iraq.
"We are reassured that the military action is strictly targeted and limited in its objective".
"So there is no practicable alternative to the use of force to degrade and deter the use of chemical weapons by the Syrian Regime".
Following the announcement, the USA said strikes had been launched at 9pm EST (2am BST) and had destroyed important infrastructure at three sites connected with the Syrian regime's chemical weapons programme.
Sega announces Sega Ages for Switch
SEGA has announced that SEGA AGES will release on Nintendo Switch, news that was shared at SEGA FES 2018 in Akihabara, Japan. That said, M2 will be handling the porting of these upcoming games, so this is really a good news.