Elon Musk among experts urging a halt to AI training

Key figures in artificial intelligence want training of powerful AI systems to be suspended amid fears of a threat to humanity.

They have signed an open letter warning of potential risks, and say the race to develop AI systems is out of control.

Twitter chief Elon Musk is among those who want training of AIs above a certain capacity to be halted for at least six months.

Apple co-founder Steve Wozniak and some researchers at DeepMind also signed.

OpenAI, the company behind ChatGPT, recently released GPT-4 - a state-of-the-art technology, which has impressed observers...