A 26-year-old man has been arrested for allegedly planning to carry out a "violent attack" against a New York-based pro-Palestinian activist, authorities say. Activist Nerdeen Kiswani said in a statement on X that federal authorities had informed her on Thursday that "a plot against my life" was about to take place. Authorities said Alexander Heifler had been taken into custody in New Jersey and charged with the unlawful possession and making of destructive devices. Agents found eight Molotov