Ottoman tombstone among ancient treasures recovered by Europol

Collaboration between police from 18 countries leads to recovery of 3,561 stolen ancient artefacts and 75 arrests

Police from 18 countries have recovered more than 3,500 stolen works of art and ancient artefacts of "great cultural importance" in an operation last year, according to the European police agency.

The haul included a marble Ottoman tombstone, a post-Byzantine icon depicting Saint George and hundreds of coins, Europol said.