A woman and a man have been released on bail over the fatal stabbing of Noor Hassan Barre at Middlesex University.
The 21-year-old woman and a 20-year-old man were arrested in connection with the case yesterday (Monday, 3 November) but have now been bailed to a date later this month.
Two other men, aged 21 and 20 years old, who were also arrested yesterday, remain in police custody.
He was taken by London Ambulance Service to hospital in a critical condition but died a short time later.
A post-mortem examination held at Northwick Park Hospital gave the cause of death as stab wounds to the chest.