Vladyslav Dryhval, 46, was detained by armed police after being challenged by private security guards on The Mall on 13 April this year. Images released on.
on social media appeared to show officers surrounding a suspect near the Institute of Contemporary Arts.
Dryhval, of Lea Bridge Road, Leyton, east London, admitted one count of possession of a bladed article, namely an axe, at Southwark crown court