A 27-year-old man has been arrested on suspicion of murder following the death of Finbar Sullivan who was stabbed in Primrose Hill on Tuesday, the Metropolitan Police said. The 21-year-old filmmaking student tragically died after an apparent altercation at the north London beauty spot at 6.30pm on Tuesday. Despite the best efforts of paramedics , Sullivan was pronounced dead at the scene with knife wounds. Another man in his 20s was also injured in the fight. He was taken to hospital with not