Police and paramedics were called to an Erith industrial estate this morning after a man in his 50s was stabbed.
The stabbing occurred near businesses on Manor Road at about 8.50am.
The man was air-lifted to hospital by the Air Ambulance. He is in a serious condition though fortunately his injuries are not believed to be life-threatening.
Met Police say no arrests have been made and a crime scene remains in place.
If you saw or can assist contact police on 101.