The response by emergency services to Wednesday's terror attack in Westminster was widely hailed a success. But how would a town or city outside of the capital cope with a similar attack? Just five months ago Lord Toby Harris published a wide ranging review on London's ability to deal with an attack just like the one that unfolded this week. He talks to 5 live Investigates about how the rest of the country might cope. Also Telegraph political editor Christopher Hope, Labour MP Ruth Smeeth and children's author Steve Voake tell how they found themselves at the heart of Wednesday's atrocities.