My hon. Friend is right to raise that issue. Gathering outside a synagogue with the purpose of intimidating people coming out is completely unacceptable. That is not protest; it is deliberate intimidation, and it has no place on our streets whatsoever. The police have substantial powers to act in this area; I will not recite all the various sections and Acts, but the police have numerous powers to act. We have regular meetings with policing leaders—one is coming up in just a few days—and I will certainly be raising this point. If my hon. Friend could send me a couple of examples, I would be very happy to raise them with the Metropolitan police in the coming days.