Improvised explosive devices thrown during protests outside New York Mayor Zohran Mamdani's home are being investigated as an act of "ISIS-inspired terrorism", police said. The city's police commissioner, Jessica Tisch, said the explosives could have caused serious injury or death, and were hurled during clashes between two rival groups on Saturday near Gracie Mansion. Two men were arrested in relation to the homemade devices that were thrown during an anti-Muslim demonstration led by the far-