The Metropolitan and Greater Manchester forces earlier said they would make arrests over "globalise the intifada" chants.

London's Metropolitan Police and Greater Manchester Police say decision comes after recent 'violent acts' in Manchester and Sydney changed the 'context' of the chants

Dec. 17 (UPI) -- Demonstrators on the streets of Britain's two largest cities, chanting or displaying "globalize the intifada" signs or protesting in other ways that intimidate the local Jewish community, face arrest, the country's two most senior police chiefs warned Wednesday.