A woman has been arrested on suspicion of murder after three children were found dead at a house in New Malden, south London.
Officers were called to the property at around 9.30pm yesterday where they discovered the bodies.
A spokesman for the Metropolitan Police said the 42-year-old woman "has been arrested on suspicion of murder and remains in custody. We are not looking for anyone else in connection with this incident."
The unnamed woman was being held for questioning in a south London police station.
Update: Police previously stated the woman was 43 years old.
More top news
The 16-year-old girl who killed seven-year-old Katie Rough has been given a life sentence for manslaughter at Leeds Crown Court.
Islamic State terrorists are believed to be behind the bombing and shooting which injured a further 120 people during Friday prayers.
A commuter is on track to get married after using the information screen at Waterloo station to pop the question.