Skating at Somerset House, London

Last week I came here to see the Henri Carter-Bresson and I decided that I'd come back for the skating so I checked around and there was no signs saying you can't use a tripod so I thought I'd get some people blur for movement but dam them due to health and safety reasons no tripod allowed!! So this was taken with the camera balanced on the barrier. I need a bit more practice so that I can get the people just right.