Digging deeper for diamonds in Sierra Leone

Sierra Leone is named for its hills but known worldwide for its diamonds.

From iron ore to gemstones, mining is major part of the economy - making up around 20%.

And to find more diamonds miners are having to dig deeper and use more sophisticated techniques.

But is the country too dependent on extractive industries? Tomi Oladipo travelled to Tongo Fields in the east of the country to find out.