Just your average 20 pip drop followed by a quick 50 pips rally
No news behind it from what I can see. It just looks like a dog at a park that's just been let of the lead after being stuck indoors all day.
GBPUSD 15m chart
1.4520/25 has been an S&R point over the last couple of weeks so it could well mark the top here again.
With no data out traders are scratching around for their ticks in lower liquidity.