"The Prime Minister could and should have recalled Parliament this week and sought the approval of MPs before proceeding".
"Riding the coattails of an erratic US President is no substitute for a mandate from the House of Commons", he said. "But the USA administration is giving alarmingly contradictory signals", he said, calling for the government to press for an independent UN-led investigation of the chemical weapons attack in Syria.
He urged the UK government to push for an independent United Nations-led investigation into the attack so that those responsible could be held to account.
"Cabinet agreed the prime minister should continue to work with allies in the United States and France to coordinate an worldwide response", the statement added. "The need to start genuine negotiations for peace and an inclusive political settlement of the Syrian conflict, including the withdrawal of all foreign forces could not be more urgent".
Ms Abbott told the BBC's Today programme: "We would press on trying to bring people to the table".
The Syrian government denies that the alleged chemical attack took place and condemned the missile strikes as a "violation of worldwide law".
Harry Kane and Mohamed Salah speak out on Golden Boot race
Guardiola may even rest Leroy Sane, who has played 90 minutes in City's last four games, and is probably in need of a rest. While City's morale is down and the Premier League title all but won, Spurs have something to play in this clash.
No details of United Kingdom involvement in any military action in Syria were mentioned in the Downing Street statement. "There was the second world war".
But Mr Corbyn said in a statement this morning: "Bombs won't save lives or bring about peace".
Pushed on the point by Today, Ms Abbott said: "It's clear, that at this point, Russian Federation - its role in Syria... its role in the poison gas attack in Salisbury - is a greater threat to world peace than the United States".
Mrs May authorised the strikes despite demands from opposition parties that Parliament was consulted before any military action was launched.
"The reason they are not doing it is they are frightened they will lose the vote".
The Labour leader has asked for a security briefing - on privy council terms - before Thursday's cabinet meeting, but it is understood no response has been received from No 10.
David Cameron, May's predecessor, lost a parliamentary vote on air strikes against Assad's forces in 2013 when 30 Conservative politicians voted against action, with many Britons wary of entering another conflict after interventions in Iraq, Afghanistan and Libya failed to bring stability to the region.
The SNP is pushing for an emergency debate on the matter.