Met Police confirmed officers had increased patrols in areas with large Jewish communities and were liaising with community venues following the terror attack.
More than 100,000 people marched down Whitehall in the right-wing activist's protest earlier this year, but an event convened to 'put the Christ back into Christmas' attracted only 1,000 punters.
The Met Office said flooding and travel disruption are expected – with parts of England, Scotland, Wales, and Northern Ireland due to experience ‘heavy and persistent rain’.
The man, shown in footage walking with a frame, first targeted the Loretta beer garden in the town of Wannsee outside Berlin on Thursday December 4, as it was being prepped into a festive centre.
Jonathan Harris is seeking $40million from the US aerospace giant over the incident, in which he says the cabin was filled with the smell of engine oil, leaving him since battling health conditions.
Investigators found multiple managerial failings at Elkin and Bell Funerals in Gosport, Hampshire, including a slew of unpaid debts and dilapidated premises with a leaky roof.