Who is Sophia Peters in Casualty? Dylan’s ex explained

Sophia made an unexpected return in devastating scenes (Picture: BBC STUDIOS)

Casualty unexpectedly brought back Sophia Peters (Kellie Shirley) during its high-octane 40th anniversary episodes – for what proved to be utterly devastating scenes.

The long-running BBC One soap celebrated four decades on air with a special double-bill, which saw the doctors and nurses come together following a catastrophic explosion at St James’ hospital.

Dylan Keogh (Wiliam Beck) was the doctor in charge as he assigned his colleagues tasks...