Although the GBP/USD pair's bullish momentum seems to have lost some momentum in the U.S. afternoon, the pair was able to push higher to a new six-month high at 1.2785. At the moment, the pair is trading at 1.2773, up 1.65% on the day. UK Prime Minister May has announced plans to call a snap general election in order to have a strong leadership following the Brexit referendum and investors rushed back to the GBP. The fact that May is willing to make a drastic change in Westminister shows her commitment to having the Brexit finalized as soon as possible. On the other hand, the US Dollar Index dropped to a new two-week low on Tuesday, providing an additional boost for the pair. The Treasury yields seem to be the main reason for USD sell-off since this past week. The 10-year T-bond yields in the U.S. dropped below 2.2% for the first time since November, pushing the DXY down to 99.60 area. The pair faces the immediate resistance at 1.2800 (psychological level) ahead of 1.2860 (Oct. 4 high) and 1.2900 (psychological level). To the downside, supports could be seen at 1.2700 (psychological level), 1.2615 (Mar. 27 high) and 1.2515 (daily low).