NHS facing biggest ever challenge, says new boss
1 April 2014 Last updated at 19:23 BST
The NHS is facing the biggest challenge in its history because of the squeeze on its budget, says its new boss.
In a speech on his first day as NHS England's chief executive, Simon Stevens, will say the health service is enduring the most sustained "budget crunch in its 66-year history".
He will warn navigating the next few years will require a huge effort.
Branwen Jeffreys reports.