Two police officers were also injured after gunfire.

But these trials haven’t been without speed bumps. Passengers of self-driving Waymo cars in San Francisco say that their trips have been cut short because of vandals or those opposed to robot cars.

'The impacts are wide ranging.'

The semi-autonomous machines can move through multiple targets in sequence and carry out measurements independently.

There’s a version of Keir Starmer that British people have grown wearily familiar with over the past 18 months.