Another American illegally hunted and killed a lion in Zimbabwe several months ago, officials say amid an international outcry over the US hunter accused of illegally killing a well-known lion named Cecil in early July.

Two Zimbabweans arrested for illegally hunting a protected lion named Cecil have appeared in court as anger at the kill by an American dentist escalated.

Zimbabwean police are searching for an American who allegedly shot a well-known, protected lion known as Cecil with a crossbow in a killing that has outraged conservationists and others.