Walter Palmer from the US who killed an African lion will not be charged.

Officials in Zimbabwe said the dentist had obtained legal authority before the hunt.

Cecil the lion: Zimbabwe says it will not charge US dentist Walter Palmer over killing http://t.co/Mn03tEEqFkpic.twitter.com/AIpCXQ4YGa — Telegraph News (@TelegraphNews) October 12, 2015

The dead Lion, one of the most prized in Zimbabwe called Cecil had been fitted with a GPS collar as part of a research project.

The dentist faced a global backlash after he was identified as the killer.