TROY, Mich. Police are investigating a string of home invasions on Wednesday that appear to target elderly victims. Troy police say that two home invasions and one attempted home invasion occurred on Wednesday afternoon. The first home invasion occurred at about 12:53 p.m. in the 2300 block of Chesapeake Court. The second home invasion occurred at 1:16 p.m. in the 1400 block of Key West Drive. An attempted home invasion occurred at 12:36 p.m. i the 1300 block of Boyd Street.