Elon Musk's brain chip firm denies animal cruelty claims

Neuralink, the firm set up by Tesla boss Elon Musk to develop a device which connects our brains to computers, has denied animal cruelty claims.

A complaint filed last week to the US Department of Agriculture alleged cruel treatment of macaque monkeys which are being used to test the technology.

In a blog, Neuralink said it worked with animals in the "most humane and ethical way possible".

The firm hopes to begin human trials of the device later this year.