Falls below 1.4600 in the process.
The GBPUSD has tumbled below the 1.4600 and trades at the lowest level since June 2013.
Looking at the daily chart the pair has little in the way of support until the 1.4500 area (1.4490 is lower trend line).
On the hourly chart, a trend line connecting most recent lows comes in at 1.4555. These are just support targets for the pair.
The 1.4613-22 is the minimum hurdle that needs to be broken and stayed above to have the buyers take back control. This represents the 38.2-50% of the move down. ALso the 1.4622 was the low reached earlier today.