India, Oct. 13 -- Zohran Mamdani's campaign accepted nearly $13,000 in potentially illegal foreign donations, the New York Post reported. Among those who donated was the lefty socialist and mayoral frontrunner's mother-in-law in Dubai.

Upon examining NYC Campaign Finance Board records, the outlet learned that at least 170 of the nearly 54,000 contributions to Mamdani's campaign were made by donors outside the United States. However, only US citizens or permanent legal residents have the permission to contribute to political campaigns and political action committees under federal, state and city law.

Candidates are expected to return the illegal donations. Those who knowingly accept foreign donations could be put behind bars, or asked to...