Louis Tomlinson’s sister Felicite has died after suffering a suspected cardiac arrest at the age of 18.
Emergency services attended the residence following reports of a female in cardiac arrest.
In a statement, the London Ambulance Service said: “We were called at 12.51pm.
“We sent two ambulance crews, a single responder in a car and an advanced paramedic to the scene.
“Sadly, despite efforts of our medics, a person died.”
Police said officers arrived shortly after ambulance crews but the female was pronounced dead at the scene.