GBPUSD: GBP continues to face downside pressure taking back its Monday gains to close lower on Tuesday. With more weakness underway, it could see further decline towards its key support located at 1.5199 level. On the downside, immediate support lies at the 1.5250 level with a break of here turning attention to the 1.5200 level. Further down, support lies at the 1.5150 level. Below here will set the stage for more weakness towards the 1.5100 level. Its daily RSI is bearish and pointing lower suggesting further downside. Conversely, resistance resides at the 1.5350 level. A violation of here will clear the way for a run at the 1.5400 level. Further out, resistance resides at the 1.5450 level followed by the 1.5500 level. On the whole, GBP faces the risk of further downside pressure towards the 1.5199 level.