Records released by the Food Safety Authority of Ireland (FSAI) outline the various strands of investigation into the possible sources of horsemeat contamination, which has so far not led to any prosecutions.

Dutch food safety watchdogs have indicated that more than one company in the Netherlands is the focus of the investigation into the possible source of horsemeat content in Tesco budget burgers.

Dutch food safety watchdogs have been drafted in as part of the investigation into the contamination of Irish beef burgers with horsemeat, in a move that places a Dutch company at the centre of the probe.