tip of the iceberg

But there is still a worry that the official case numbers are merely the tip of the iceberg – and a fear of what may lie beneath the surface.

The IPO stressed that experts are warning the Labubu trend "is just the tip of the iceberg."

However, police "strongly suspect" that figure "is only the tip of the iceberg".

The Saint Etienne universe is expansive by nature, and the band’s 13 albums are only the tip of the iceberg.

Dr Ingala Smith said the organisation was "dealing with the tip of the iceberg" as there were "many more" cases of violence that did not result in death.