India, Feb. 19 -- Former top Trump adviser Steve Bannon has intensified his criticism of Tesla CEO Elon Musk, calling the tech magnate a "parasitic illegal immigrant" and accusing him of abusing his position to advance a cause that disregards American customs.

Bannon's statement referred to suggestions that South African-born Musk might have outstayed his visa while establishing his businesses in the US. The billionaire has denied all of these allegations.

In an interview with the Italian newspaper Corriere della Sera last month, Bannon blasted Musk, saying that he should "go back to South Africa," raising the concern that why White South Africans should have any involvement in US affairs. He went on to call them "the most racist people...