Six people died of and 10 others are infected with unknown fever in various areas in Sudan's South Darfur state, Khartoum's Al-Sudani daily reported Tuesday.

"Unknown fever appeared in various areas of the state and infected 16 people on Saturday and Sunday, and six of them died," the paper quoted Hassan Mohamed Abul-Hassan, a local official in the state, as saying.

"As soon as we received reports on the cases, we have contacted the federal Ministry of Health," he said, noting that medical teams have been sent to these areas to investigate the cause of the fever and provide treatment for the infected people.

The local official further said that samples have been taken from the infected people and sent to Khartoum but that the test results have not come out yet.