During the protest, which started at 11am, two men unfurled a Britain First banner while deputy leader Jayda Fransen held up a Christian cross and shouted “We want our country back.”
The trio were only there for around 20 minutes – leaving shortly after police arrived.
Ms Fransen is seen arguing with a police officer, asking him if it is “within [his] job description to come and mock a Christian who’s preaching in the street”. She then calls the police “traitors” for turning against Christians in a “Christian country”.
She claimed it was “[her] duty as a Christian to save fallen souls from the damned”.
Men are observed filming the incident and laughing at the group – though some indistinct shouting can be heard off camera.
A status on the East London Mosque Facebook page said: “Another hapless Britain First protest outside the East London Mosque today. Last time they entered the mosque and trampled over the carpets, before running off when a traffic warden approached their illegally parked vehicle.”
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