Two people were arrested on Saturday after potential explosive devices were used during a protest outside the official residence of New York City Mayor Zohran Mamdani. The devices were found by New York City police officers during a scheduled anti-Islam demonstration near Gracie Mansion on the Upper East Side of Manhattan. Counter-protester Amir Balat, 18, who joined about 125 people at a rival demonstration, allegedly lit and threw a device at the anti-Islam group, NYPD Commissioner Jessica Tisch said a press conference Saturday evening. The device, which emitted smoke and flames, struck a barrier but did not explode and later...