A 29-year-old Nigerian man identified as Johnny has died after suffering stab wounds at a residential address in Park Royal.
Police were called to Lakeside Drive, near Hanger Lane station, following the stabbing.
London Ambulance Service which also rushed to the scene and attempted to treat him, but he died at the scene, less than an hour later.
His 21-year-old fiancée was at the scene when police arrived and was arrested on suspicion of murder.
She was taken to a north London police station, where she remains in custody.
Shedding more light on what transpired, Akin, a friend of the deceased, said: “News is that the woman he proposed to stabbed him in the chest, a few times, in the middle of the night, after a heated argument.
She claimed he stabbed himself, but who stabs themselves in the chest repeatedly after a fight though.
She called his mum earlier in the night that they were fighting and later-on she called them again the he stabbed himself.”
