Britain and its allies have since the strikes renewed diplomatic efforts at the United Nations, circulating a joint draft resolution at the Security Council calling for an investigation into chemical weapons attacks in Syria.
The United Kingdom is now not considering further attacks on Syria linked to Damascus' alleged use of chemical weapons, UK Foreign Secretary Boris Johnson said Sunday.
Mr Johnson, who is instead meeting his European counterparts, stressed the airstrikes were the right thing to do.
British Foreign Minister Boris Johnson on April 15 said that his government took the decision to join missile strikes against Syria without securing parliamentary approval because it was focused on the speed and efficiency of the operation.
"It is very important to stress it is not an attempt to change the tide of the war in Syria or to have a regime change", Johnson told reporters on arrival to a meeting of European Union foreign ministers in Luxembourg.
"I think what we need in this country is something more robust like a War Powers Act so that governments do get held to account by Parliament for what they do in our name", he told The Andrew Marr show.
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"There's one overwhelming reason why this was the right thing to do and that is to deter the use of chemical weapons, not just by the Assad regime but around the world", Johnson said.
On Friday night the US, Britain and France launched air strikes against Syrian chemical sites after obtaining "proof" that poisonous gas was used last weekend in Douma, killing 41 civilians.
The Government is though expected to win global support for the strikes at today's European Union foreign affairs council in Luxembourg.
"We are confident in our own assessment that the Syrian regime was highly likely responsible for this attack and that its persistent pattern of behaviour meant that it was highly likely to continue using chemical weapons".
Lithuania's foreign minister, Linas Antanas Linkevicius, said today: "Not everyone is capable to take part in the air strikes, but it's important to support [them]".
Mr Johnson said yesterday that the Government is taking "every possible precaution" in preparation for any Russian retaliation in the form of cyber attacks.