After touching 1.2557 resistance, GBPUSD pulled back to 1.2495, indicating that the pair remains in downtrend from 1.2615, and the price action from 1.2376 could be treated as consolidation of the downtrend. Deeper decline to test 1.2365 support is possible in a couple of days. A breakdown below this level will confirm that the downtrend has resumed, then next target would be at 1.2200 area. Key resistance is at 1.2557, only break above this level could bring price back to the uptrend from 1.2109.
