Mars, the maker of some of America's most beloved candies, has been exposed for using child labor to harvest cocoa beans in Ghana, a new bombshell report found.

CBS News visited Ghana's remote cocoa belt and found children as young as five working on farms that supply the chocolate giant - despite the company's pledge to protect children.

The Sudanese army and paramilitary forces traded fire Monday across the Nile River in the capital Khartoum, witnesses said, in the eighth months of a war rights groups say has been rife with atrocities.

Coup leaders in Niger have overturned an eight-year-old law criminalising migrant smuggling in the country.

The legislation allowed authorities to take action against smugglers who transported migrants through Niger's vast desert on to Libya and Europe.

But President Mohamed Bazoum - who had worked with the EU to stem the flow of people across the Mediterranean - was overthrown in July in a coup.

Gen Abdourahmane Tchiani has since declared himself the new head of state.

The U.S., Norway, and the UK are urging the government of South Sudan to withdraw its troops from the disputed region of Abyei amid violence in which at least 27 people have been killed in recent days.

“We renew our calls upon the transitional government (of South Sudan) to urgently withdraw its troops in line with its commitments" as part of the deal for South Sudan's independence in 2011, their embassies in South Sudan said in a statement Monday.

Inter-communal and cross-border clashes have escalated since South Sudan deployed its troops to Abyei in March.