Elon Musk is stepping up his warnings about the potential scourge of artificial intelligence, The Washington Post reported, telling a group of students that the technology was akin to "summoning the demon."

During a speech at the Massachusetts Institute of Technology on Friday, the founder of Tesla told an audience that the tech sector should be "very careful" about pioneering AI, The Post reported, calling it "our biggest existential threat." On several occasions, Musk has called the technology a big risk that can't be controlled.