This was running and flying about on the plants in an area of waste meadowland. It moved so fast I had difficulty in getting a picture. It was about 1cm long and (I think) had fairly long black antennae, about a third the length of the body. At first I thought it might be a wasp because of the way it ran about, but when it flew it did seem to have two pairs of "wings", the top orange ones held stiff as with a beetle's eleytra.
Great, thank you. As they actively hunt for insects maybe it's not surprising that I thought at first it might be a wasp! The Wikipedia description matches my observation, but with so many species of beetle I wouldn't have had much chance of finding it without help.