Kul Hawadleh was pronounced dead at the scene
A man has been arrested over the fatal stabbing of a teenager in north-west London.
Kul Hawadleh, 19, of Kingsbury, north-west London, died after the attack at a petrol station in Wealdstone, last Thursday night.
In the incident, at the High Weald Service Station, another 19-year-old suffered stab wounds to his chest.
A 20-year-old man was arrested in the Harrow area on Sunday night on suspicion of murder.
Police said Mr Hawadleh and his friend had been with two friends as they put petrol in a car, when they were approached by four to five males, aged in their teens or early 20s.
There was an argument between the two groups before the stabbings and the suspects ran off.
Mr Hawadleh's friend is currently recovering in hospital and is in a stable condition.