The New York Police Department (NYPD) has established a significant police presence in a Manhattan residential area close to Gracie Mansion, the mayor's official residence, as they investigate a potential terror plot linked to improvised explosives. The NYPD advised the public to avoid East End Avenue between 81st and 82nd Streets due to ongoing police operations related to the discovery of suspected explosives connected to protests held in the area. This police activity stems from incidents during protests where two devices were reportedly thrown, one of which was confirmed to be an improvised explosive device (IED) that could inflict serious injuries or fatalities. The explosives are said to contain TATP, a highly volatile substance favored in terrorist plots, pointing to the gravity of the situation and the potential for harm amidst heightened community tension surrounding the protests. As investigations continue, officials remain vigilant, reflecting broader concerns about domestic terrorism and public safety in high-profile locations like Manhattan. The probe highlights ongoing security challenges faced by law enforcement in urban settings, particularly in contexts of civil unrest, as they strive to protect both residents and the integrity of public demonstrations.