Cameron was interrupted by the BBC presenter, who explained to the prime minister that the Tyne was in Newcastle, not Middlesbrough.
Presenter: “You keep mentioning the River Tyne. That’s not our region prime minister. I’m sorry, we are the River Tees.”
Cameron: “I’m sorry, I thought I was doing….”
The PM then switched to talking about £90 million of investment in the Tees Valley.