By Matthew Cooper A university student who stabbed another undergraduate to death in a drug-related knife fight has been sentenced to life in prison. Melvin Lebaga-Idubor was found guilty of murder in November after jurors heard that the 20-year-old attacked Kwabena Osei-Poku, a digital marketing student, in a street he wrongly believed was not covered by CCTV. Mr Osei-Poku, who was stabbed in the neck and torso, died at the scene close to the University of Northampton halls of residence on April 23 last year. A trial at Northampton Crown Court heard that Lebaga-Idubor, originally from Barking…