At least 70 people were killed and 15 wounded when armed men attacked the north Angolan diamond-mining town of Chinguvu, close to the Congo border, Lusa reported on Monday. Quoting an unnamed military source who identified the attackers as UNITA, the news agency said about 100 rebels were involved in the Saturday assault on a residential area of Chinguvu. A number of local residents were taken away by the attackers.