GBPUSD broke below 1.3711 key support and extended its downside movement from 1.4376 to as low as 1.3486, suggesting that the upside movement from 1.1946 (Oct 7, 2016 low) had completed at 1.4376 already. Further decline would likely be seen after a minor consolidation and next target would be at 1.3100 area. Resistance is at 1.3750, as long as this level holds, the downtrend will continue.