A report into the use of overseas doctors in Britain has warned that changes to the system must be made immediately.
It follows the death of 70-year-old David Gray who was given 10 times the recommended dosage of diamorphine by a German locum.
Dr Daniel Ubani had been accepted for work in Britain by
Cornwall Primary Care Trust, despite being rejected by the NHS in West Yorkshire because he could not speak English properly.
Under European law, the
General Medical Council is not allowed to test language or medical capabilities of doctors within the EU.