Meanwhile, city health officials were investigating what they feared would be another overdose spike on Thursday, with more than a dozen occurring between 7 a.m. and 2 p.m. around the intersection of Kensington Avenue and Cambria Street. Fear in the community was palpable. At one point, staffers from Prevention Point, the needle-exchange program, had to run down the block from reviving one victim to rescuing another who had collapsed in the arms of police officers on patrol.