The incident happened in Jubilee Park near Tent Peg Lane at around 2.30pm today (September 20).
Officers and London Ambulance Service crews attended and found a man injured.
He was pronounced dead at the scene shortly after.
His next of kin have been informed but a formal identification is yet to take place.
A post-mortem examination will be held in due course.
A murder investigation has been launched following the incident.
A crime scene remains in place as detectives from the Specialist Crime Command investigate.
Detective Chief Inspector Matthew Webb said: “I am urging anyone who witnessed this attack, or who saw someone running away from the park, to please come forward and contact my team.
“Although the stabbing took place away from local roads, I’m certain that there are people who would have noticed something that seemed out of place or unusual, or someone behaving in a suspicious way.
“Please call us no matter how insignificant you think may think your information is. Anything could help us to identify the person responsible.”
Superintendent Lewis Collins, from the South Area Command Unit, said: “Our thoughts are with this young man’s family and friends.
“This is a tragic incident, which occurred in a quiet area, and I know it will also impact the local community.
“There will be a visible policing presence in the coming days, and I would encourage anyone with information or concerns to please speak with an officer.”
No arrests have been made as police enquiries continue.
A spokesperson for Metropolitan Police said: “Detectives have launched a murder investigation following a stabbing in Petts Wood and are urgently appealing for any witnesses to come forward.
“Police were called by the London Ambulance Service at about 14:30hrs on Wednesday, 20 September to reports of a man stabbed in Jubilee Park close to Tent Peg Lane in Petts Wood.
“Officers and the Kent Air Ambulance attended.
“Despite their efforts, the man – who is believed to be aged 19 – sadly died at the scene.
“His next of kin have been informed but formal identification has not yet taken place.
“A post-mortem examination will be held in due course.
“A crime scene remains in place and detectives from the Specialist Crime Command are leading the investigation.
“Anyone with information is asked to call police via 101 quoting reference CAD 3972/20Sep.
“To remain anonymous contact Crimestoppers on 0800 555 111.”
https://www.newsshopper.co.uk/news/23803197.jubilee-park-petts-wood-stabbing-man-dies/
