TV tonight: months of undercover A&E footage is a deeply troubling watch

Dispatches: Undercover A&E – NHS in Crisis

9pm, Channel 4
This exposé of the NHS’s dire state airs bang in the middle of the election campaign for maximum impact. It features footage secretly shot over two months by a reporter working inside an A&E department, and promises a litany of horrifying conditions – including seriously ill patients sleeping on chairs for days at a time, superbugs fed by overcrowding and ambulances having to…