A slim majority of 50.39% voted "yes" in Moldova's crunch referendum on European Union accession, preliminary results showed, after President Maia Sandu said that Sunday's twin votes had been marred by "unprecedented" outside interference.

Moldova has voted in favor of joining the European Union by a razor thin margin, in a referendum that came down to just a few thousand votes. A knife-edge majority of around 50.17 per cent voted "yes" in Moldova's pivotal referendum on joining the European Union.

Moldova’s crucial referendum on joining the European Union is too close to call, partial results showed Monday, as President Maia Sandu condemned an “unprecedented assault” on the country’s democracy.