The incident happened in Five Oaks Mews near Shroffold Road just after 9.50pm yesterday (April 20).
Officers and London Ambulance Service crews attended and found two people injured.
They were treated at the scene before being taken to hospital where their conditions are unknown.
We have contacted the Metropolitan Police for further information.
A spokesperson for London Ambulance Service said: “We were called at 9.54pm last night (20 April) to reports of a stabbing in Five Oak Mews, Bromley.
“We sent two ambulance crews, a paramedic in a fast response car and an incident response officer to the scene.
“The first paramedic arrived in less than four minutes.
“We treated two patients and took them both to hospital.”
