Before I answer, on behalf of the UK may I pass on my thoughts and prayers to all those affected by the terrible attack in Istanbul yesterday? I am sure that the whole House will join me, on behalf of the UK Government, in saying that the UK stands with Turkey in the fight against terrorism. We send our condolences to all those affected. Last month, I visited Thames Valley police to meet the chief constable, force leaders and student officers. A number of topics were discussed, including the delivery of Operation Deter. I am always keen to discuss interventions that the chief constable and local partners believe to be effective in reducing knife crime.

I have met the excellent police and crime commissioner, to whom my hon. Friend refers, on two occasions now—perhaps more—and I really welcome all initiatives that show measurable impacts against violent crime. I am determined that interventions that are proven to work are delivered across our forces. I am also a big supporter of violence reduction units. I am very keen to look at the verified results of Operation Deter, alongside all innovative approaches. I am clear that all options should be explored and that we should support operations that work.