An investigation is ongoing. No other details are known yet.Police said that the shooting wasn’t random, but no arrests had been made. The school , with about 6,000 students and a focus on graduate and professional education , said there’s no indication students were involved. Baltimore’s homicide total this year is 155, with a 48 percent increase compared with the same time last year, according to police. The city has seen a spike in violence since the April death of Freddie Gray after he was injured in police custody. University of Maryland police urged people now to “use caution in the area.”