Prosecutors in Zimbabwe are understood to have started the process to extradite the American dentist who killed Cecil the lion.
The country's environment minister says he wants Walter Palmer to return to the country to face charges.
He claims Palmer - who's in hiding - broke the law by "financing an illegal hunt".
Meanwhile President Obama's considering a petition of 140,000 people in the US calling for his extradition.
White House spokesperson Josh Earnest says illegal poaching was on the President's agenda on his recent trip to Africa:
