Berry identification needed!

Berry identification needed!

Observation - Berry identification needed! - UK and Ireland. Description: Spotted in Kent. I have tried identifying this berry but I still don't know what it is. Any info on this plant would be much appreciated. Thanks! The Wise Old Owl

Spotted in Kent.
I have tried identifying this berry but I still don't know what it is. Any info on this plant would be much appreciated.
Thanks!

The Wise Old Owl