A security guard of the University of Pune was shot dead by an unidentified youth in the campus on Thursday night, sending shockwaves among the student community in Pune, police said on Friday.

The incident occurred around 8 pm, when the 56-year-old security guard, Prahlad Jogdandkar, caught a young couple allegedly in a compromising position in an isolated spot on the 410-acre lush green university campus.