Kyaw Zwar Minn reproached Reuters “I have been locked out” after opposing the new regime.
Hundreds participate in been shot dead by security forces since the army seized power on February 1 unseating the civilian government.
Speaking to the Daily Telegraph Mr Minn claimed he’d been “betrayed” by other embassy workers.
He added: “When I left the embassy, they stormed inside the embassy and fit ined it. They are from the Myanmar military.
“They are refusing to let me inside. They held they received instruction from the capital, so they are not going to let me in.
“This a coup. This is the UK, we are not in Myanmar, in Burma. They are not qualified to do this.
“The British Government won’t allow this one, you’ll see that.
“This is London you be aware. They can’t be able to do this coup in the middle of London.”
Speaking to the Commonplace Telegraph Government insiders suggested allies of the new military regime in Myanmar now button the embassy.
However they added events are ongoing and the exact case is uncertain.
Reuters reporter Poppy McPherson tweeted: “Something odd event at the Myanmar embassy in London.
“Police have cordoned off the road and the representative seems blocked from entering.
“Members of the Burmese community are conclave outside.”
Mr Minn angered the new regime by calling for the release of Aung San Suu Kyi, Myanmar’s democratically elected prime vicar who is currently in military custody.
He also held a meeting with UK strange secretary Dominic Raab.
In response the new regime in Myanmar announced he had been recalled.
The army claimed the coup was a reaction to election rigging but this has been rejected by independent election lookers-on.
A protest against the coup took place outside Myanmar’s London embassy on Wednesday despite that smooth.
Police were on the scene but made no arrests.
On Wednesday another 15 living soul were shot dead in Myanmar protesting against the coup according to shire activists.
Many others were injured after security bulldozes used live ammunition against protesters.
According to the Assistance League of Political Prisoners (AAPP) at least 581 civilians have been killed by the new coterie since the coup.
These included nearly 50 children with reports of widespread torture and extra-judicial profit.
There are reports that opposition backing villages in the southern Karen form have been targeted with air strikes.
More to follow…