Call the Midwife fans were reeling last night after a devastating train crash left the lives of two main characters hanging in the balance.
Sister Julienne and Dr Turner, played by Jenny Agutter and Stephen McGann, were flung from their seats as their Chelmsford to Liverpool Street train came off the rails.
The pair were returning from a conference along with young nurse Nancy Corrigan when the driver suffered what looked like a brain haemorrhage.
