GBPUSD is now in uptrend from 1.6051, the fall from 1.6524 is likely consolidation of the uptrend. Support is located at the upward trend line on 4-hour chart. As long as the trend line support holds, the uptrend could be expected to continue, and next target would be at 1.6700 area. On the downside, a clear break below the trend line support will signal completion of the uptrend, then deeper decline to 1.6100 area could be seen.