On a 4-hour graph the GBP/USD shows the strong decline after it failed to test the resistance level of 1.5900. In case the support level of 1.5500 is broken through then the decline with a target to 1.5300 is expected.
The viewpoint is still bearish, since the pair has formed the combination of candlesticks Bearish Engulfing, confirmed further.
This combination of candlesticks appeared after the pair failed to break out the resistance level near 1.6085-1.6096, which means that the bulls did not manage to solidify here. Further the bears started t increasing their presence.
The breakthrough of 1.5841 means that this point of view is correct.