More than 1,000 British Muslims attended a demonstration and chanted 'Allahu Akbar' as they heard from speakers from a group who once described Jihadi John as 'beautiful'.

Those at the protest outside the Syrian Embassy in Belgrave Square, London, chanted the Islamic phrase - translated as 'God is the greatest' - while a number of people talked through a megaphone.

Asim Qureshi, the research director CAGE - which has been linked to extremism - blamed America for the situation in Aleppo.

He said: 'Never forget who is the problem here.

Asim Qureshi (pictured), the director of Muslim rights CAGE - which has been linked to extremism - blamed America for the situation in Aleppo

Moazzam Begg, 48, from CAGE - which claims to 'campaign for communities affected by the war on terror' - also spoke at the demonstration

'When they come and say "look, America is the one who is going to come and help you in this", then we have to remind them.

'Go back to the beginning of the war on terror when we were investigating cases of individuals being put on rendition flights to Syria where they had the soles of their feet beaten by the Syrian regime the moment they arrived in prison.

'And who sent them there? The Americans, the CIA sent them there.'

Moazzam Begg, 48, from CAGE - also blamed the US for what is currently happening in Syria.

He said: 'In 2002, in the beginning of the War on Terror, that means the Americans were working close, hand in hand, hand in glove, with the regime of Bashar al-Assad.

'My colleague Asim Qureshi has already said that the cases of several individuals who were extraordinarily renditioned by the US regime, by the US government, to the regime of Bashar al-Assad.'

Earlier this year, it was revealed that CAGE described Jihadi John - the man behind ISIS beheadings - was a 'beautiful, and kind man'.

At the end of the video, a poet (pictured) said: 'We need a Caliph who will clean up these streets'

The poet spoke in rhyme throughout and said 'we need a Caliph who will smack up armies'

And after Begg spoke at the demonstration, a poet added that 'we need a Caliph' who will 'smack up armies' and 'will back' fighting.

He said: 'We need a Caliph who will clean up these streets, who will smack up armies and who will back beef.

'Backhand your missiles back to your land, that's the plan. World domination at hand. We can expand and take out these fools.'

The protest blocked lanes of traffic when it got underway at around 9pm on Tuesday night.