Nick's Assembly Election view: Curious case of PM's visit

David Cameron has visited Tata Steel management and unions in Port Talbot to discuss the crisis in the industry.

He also dropped in on a car parts factory in Gorseinon, Gower, where he met Welsh Conservative leader Andrew RT Davies.

But the broadcast media was kept well away, just nine days from the assembly election.

BBC Wales political editor Nick Servini considers what might be going on.