An investigation is underway after three teenagers were injured in an overnight shooting in Cleveland. Cleveland police say it was around 4:45 a.m. Thursday, when officers responded to reports of a shooting in the 10700 block of Shaker Boulevard. Upon arrival, police found three injured individuals, a 17-year-old girl, a 17-year-old boy and an 18-year-old man, at an apartment where an altercation had taken place.