On 1 April 2008 the "Daily Mail" reported that Harman had decided to wear a kevlar-reinforced stab vest while touring her Peckham constituency under police guard. On 2 April "The Guardian" relayed information from the Metropolitan Police that "the type of Met Vest she wore over her jacket protected her from knife attacks and bullets, and, for her at least, was optional". Harman compared the decision to wearing a hard hat while touring a building site, which led the BBC's John Humphrys to respond, during an interview for BBC Radio 4, "You wear a hard hat on a building site because... there is the danger that something might drop on your head. You don't need to wear a bullet-proof vest on the streets of London, do you!" Harman told the BBC that the neighbourhood police team she was with put on their stab vests and gave her one to wear as well.