Lots of MA stalls the fall
The GBPUSD has fell to support near a cluster of support defined by the 100 bar MA on the 4-hour chart, the 200 hour MA and the 100 hour MA.  Those three moving averages come in at 1.3161, 1.3165 and 1.3171 respectively.   The low for the day bottomed at 1.31616.