The UN's peacekeeping missions are once again in the spotlight, this time in South Sudan. Members of the Ghana Police Service are being accused of sexual misconduct. Ghana has responded to the allegation, and says it will cooperate fully with the United Nations. The West African country is also seeking permission to send a team of investigators to South Sudan. The UN Mission in South Sudan says its preliminary investigation indicates Ghanaian peacekeepers engaged in transactional sex with women living in refugee camps. Here's more on that.