A man was stabbed in Twickenham on Friday evening.
Police and paramedics were called to outside Prince Blucher pub, in The Green, on February 21.
A Metropolitan Police spokesman said: "We were called by London Ambulance Service at 6.37pm to the Green in Twickenham.
"Officers found a man having sustained puncture wounds, and he received medical attention from the paramedics."
It is not thought the man's injuries are serious, the spokesman added.
No arrests have been made and police enquiries are ongoing.
Anyone with information should call police on 101.