Scene of a double stabbing at Strawberry Hill train station

Detectives have launched a murder investigation after a double stabbing at a south-west London train station.Officers found the first victim, a man in his 20s, inside Strawberry Hill station, Twickenham around 11.50pm on Monday.Six minutes later, a 16-year-old boy was discovered with a laceration to his leg in nearby Alexander Close.His condition is not being treated as life-threatening. British Transport Police alongside Metropolitan Police colleagues and London Ambulance Service attended.