Trading at 1.3455, GBP/USD is down 0.35% on the day so far, falling in a move that followed a hawkish twist in today's Federal Reserve event. Cable has broken 1.3490 support and has plummetted to a low of 1.3444 in a move that was encouraged by hawkish comments from the Fed's chair, Jerome Powell.
Despite a relatively dovish statement, as per the most hawkish of market expectations, the US dollar and yields have soared on the back of a pivot during the Federal Reserve's chairman's press conference.
Jerome Powell stated in the post-Federal Open Market Committee statement presser that the central bank could move faster and sooner than they did the last time which has promoted both the US dollar and yields to extend gains for the day:

As a consequence, US equities are reeling in pain which is hurting the risk-sensitive currencies such as the pound vs the US dollar:

The bears are looking over the abyss at this juncture, in pursuit of the 2022 lows of 1.3431.