Peter (Petrus) Nchabeleng was president of the Northern Transvaal region of the United Democratic Front (UDF). He was convicted of sabotage in 1962 and served eight years on Robben Island. He died in detention on 11 April 1986, a day after he was detained in Lebowa. He was buried in Apel, Sekhukhuniland. The funeral was attended by 20,000 people
References
ANC News Briefing, April 20, 1986