Stop the War activists defended Bashar Assad as a 'good man' on Parliament Square last night with one woman insisting he would not kill civilians because he is a doctor.
President Assad has been blamed by the West for the devastating chlorine assault on civilians in Douma earlier this which killed at least 75 people.
His regime has been proven responsible by the UN for more than 30 chemical attacks during the past five years.
The Stop the War claims came as Chris Williamson, a close ally of Jeremy Corbyn, told last night's rally coalition strikes on Saturday were an attempt to destroy evidence.
The rally was called to coincide with debates inside Parliament about Britain joining coalition air strikes against the Assad regime in the early hours of Saturday.
A Stop the War activist (pictured) defended Bashar Assad as a 'good man' on Parliament Square last night, insisting he would not kill civilians because he is a doctor
Protesters descended on Parliament Square last night as MPs inside debated Theresa May's decision to join air strikes against the Assad regime +8
Protesters descended on Parliament Square last night as MPs inside debated Theresa May's decision to join air strikes against the Assad regime
Stop the War have protested repeatedly in Westminster this week but have yet to stage a demonstration outside the Russian embassy +8
Stop the War have protested repeatedly in Westminster this week but have yet to stage a demonstration outside the Russian embassy
Theresa May easily won a stunt vote in the Commons late last night after the SNP tried to secure a symbolic gesture against her decision to order the RAF into action without calling a Commons vote in advance.
She said: 'Yes, he is a good person. He's a very good man.
'He's a doctor, for heaven's sake! Do you think he goes around killing Syrian people?'
Questioned on whether she believed Assad over the Prime Minister, she agreed and added: 'He's not a murderer, he's the president of a country for god's sake!'
Following ITV's broadcast, Stop the War tweeted to insist the views 'in no way reflect those of Stop the War UK.'
Speaking from the podium at the rally, Mr WIlliamson told protesters: 'Why would the Assad regime at this stage of the appalling conflict in Syria, where he's virtually won the battle for Eastern Ghouta, launch a chemical weapons attack when it would be bound to bring on the wrath of the West?'
He added: 'The motive is questionable, the evidence – where is the evidence? It just isn't there.
'And it's no coincidence, it seems to me, that on the day before the OPCW inspectors were due to start their inspection, these air strikes took place. What is going on?
'There are very serious questions, it seems to me, that need to be answered.'
Protestor Lisa Marsden, 36, condemned the Government's actions as illegal, and accused Theresa May of 'blindly following' US President Donald Trump.
She told Express.co.uk: 'It's absolutely disgraceful. I bet none of them have given a thought to the people stuck there.'
James Chappell, 54, also condemned Mrs May's actions.
He said: 'It's not right Theresa May didn't have a vote. She didn't have one because she thought she'd lose it.
Bruce Kent, from the Campaign for Nuclear Disarmament, said Saturday's strikes were 'absolutely illegal'.
Labour leader Jeremy Corbyn has been repeatedly criticised for appearing to equivocate over who was to blame the for the Douma attack.
He has been lashed by his own side for refusing to endorse Saturday's strikes to punish the Assad regime.
Labour MPs led by Mike Gapes have accused Mr Corbyn of disavowing the party's proud tradition of humanitarian intervention to save lives.
And in the Commons yesterday Mr Corbyn faced shouts of 'shame' as he told MPs the Government was wrong to join air strikes without a vote.
Chris Williamson, a close ally of Jeremy Corbyn, told last night's rally coalition strikes on Saturday were an attempt to destroy evidence
Labour leader Jeremy Corbyn has been repeatedly criticised for appearing to equivocate over who was to blame the for the Douma attack
He said that it was now 'vitally important' that OPCW inspectors were allowed to investigate and report their findings.
The Labour leader has repeatedly caused anger by making clear he does not accept that the strikes on Bashar Assad's chemical weapons capability by the US, UK and France were legally justified on humanitarian grounds.
In a renewed attack on the Labour leader at the end of the debate, Theresa May outlined the UN resolutions on Syria vetoed by the Kremlin in recent months.
She warned Corbyn that relying solely on the UN Security Council was tantamount to agreeing not to act.
It comes after Mrs May told MPs today she is 'haunted' by victims of Assad's poison attack as she delivered a passionate defence of the Syria strikes.
The Prime Minister insisted action to degrade Bashar Assad's chemical weapons capability was in the 'national interest' and justified on humanitarian grounds.
In a performance welcomed by MPs on both sides of the Commons, she also flatly denied that she was dancing to the tune of Donald Trump.
And she dismissed criticism for failing to recall parliament to vote on the action.
Pointing to the nerve agent attack in Salisbury last month, she said it was vital that the use of such banned substances did not become 'normalised' around the world.
The Assad family (pictured in the early 1990s) had been close to Britain. The current Syrian president (back row second left) trained for four years in the UK to become an eye surgeon
And she said that the US, UK and France 'could not wait' while further atrocities took place.
Mrs May told the Commons it was obvious that diplomacy alone would not protect civilians - and lashed out at Jeremy Corbyn for saying military action should never be considered without UN security council approval.
The government appears determined to avoid calling a meaningful division in the House on the issue - even though it would likely win with Tories and the DUP rallying behind Mrs May and support from significant number of Labour MPs.
In her statement to parliament, the PM said chemical weapons use could not become normalised 'either within Syria, on the streets of the UK or elsewhere'.
Mrs May told MPs: 'Let me be absolutely clear. We have acted because it is in our national interest to do so.
'It is in our national interest to prevent the further use of chemical weapons in Syria – and to uphold and defend the global consensus that these weapons should not be used.
'For we cannot allow the use of chemical weapons to become normalised – either within Syria, on the streets of the UK or elsewhere.'
Pointing to the nerve agent attack in Salisbury last month, Theresa May told MPs it was vital that the use of chemical weapons does not become 'normalised' around the world
Why is the Assad regime attacking eastern Ghouta?
Eastern Ghouta is one of the last major areas held by rebels fighting the regime of President Bashar al-Assad.
The area, on the outskirts of the Syrian capital Damascus, had been designated a 'de-escalation zone' by Russia and Iran, the government's main allies, in an agreement along with Turkey, which backs the rebels.
But hostilities intensified in mid-November in the densely populated area, which is home to 400,000 people.
The latest violence in eastern Ghouta is the worst since 2013 when 1,300 people died after the Assad regime deployed sarin gas.
Eastern Ghouta has been devastated by sustained air and artillery attack by the Syrian regime and its Russian ally
The Russian military is again supporting Assad's forces as it did in the all-out assault on the rebel-held half of Syria's largest city, Aleppo, in late 2016, which drove the rebels from their enclave there.
Five days of air strikes and intense artillery fire by the regime and Russian ally have killed 403 civilians, including 95 children.
The rebels eastern Ghouta are dominated by the Islamist faction Jaysh al-Islam and Hayat Tahrir al-Sham, a jihadist alliance led by al-Qaeda's former affiliate in Syria, also operates there.
They have also fired rockets and mortar rounds on civilian areas in the capital, which is under government control, killing at least 16, as the area has come under attack.
According to regime media, President Assad is preparing for a final push on the enclave and securing government areas around the capital would represent a significant victory.