Rome police are investigating two separate sexual assault cases involving a 23-year-old student and a 20-year-old Peruvian man in different parts of the city.The student reported being assaulted by three men near the Jonio metro station after exiting a train, prompting calls from local officials for increased police presence and enhanced security.In the second incident, a Peruvian man reported an assault at an occupied building in Magliana, leading authorities to identify a 35-year-old compatriot as the alleged aggressor while examining potential video evidence.