Should UK Police wear a union jack on their uniforms?
If we decide that the Union Flag or Cross of St George is part of the police force’s uniform, then fine. All should wear it. It’s the national symbol and should offend no-one who chooses to live in UK / England. I don’t believe that individual officers should ‘customise’ their uniform in any way. So if it isn’t part of the uniform, it shouldn’t be worn.