Johannesburg - Africa's biggest telecommunications operator MTN Group plans to spend $3 billion to upgrade and expand the infrastructure of its operations in Nigeria over the next three years, a business newspaper reported on Friday.

“We will continue to invest at this rate in the medium term and make sure the overall quality of service in acceptable,” the paper quoted chief executive Sifiso Dabengwa as saying.

MTN has operations in nearly two dozen countries across Africa and the Middle East.

An MTN spokesman could not immediately be reached for comment. - Reuters