Sell after the price breach nearest support, approximately at 1.2362. Nearest target should be around 1.22 until 1.23. Stop loss around 1.245.
Focus on tomorrow's BoE meeting, no monetary changes were expected. Meanwhile on Brexit, UK faces options whether or not to strike or leave the custom unions deal, unless the risk of GBPUSD will surprise to the downside. On USD, no major issue or data will be the market mover this week, but pay attention to the VIX index that would create ripple on risky asset.