Sore loser demonstrators descended on Whitehall, central London waving flags and placards around and shouting 'not my Prime Minister' just hours after Mr Johnson pledged to heal the divisions of Brexit, as he returned to Downing Street after securing a crushing General Election victory over Labour.
But despite almost 14million people voting in favour of Mr Johnson's government, the comparatively tiny crowd, seemingly unable to get over the election result, become embroiled in violent clashes with the police.
It came after they were heard chanting slogans including 'to hell with Boris Johnson' and 'Boris, no, no, no'.
Dozens have called out the protesters for taking to the streets so soon after polls closed, and ridiculing them for thinking they will 'overthrow' the Prime Minister with such a small number.