India, Aug. 30 -- The US Federal Trade Commission (FTC) has issued a warning to Google's parent company Alphabet Inc., raising concerns about whether Gmail's spam filtering system unfairly targets Republican emails. FTC Chairman Andrew Ferguson sent a letter to CEO Sundar Pichai, stressing that the agency is taking the allegations of email suppression "seriously."

The warning follows repeated complaints from congressional Republicans, who have long accused Google of directing their campaign messages to spam folders. Earlier this year, several lawmakers urged the FTC to investigate whether Gmail was being used to suppress political communication.

In his letter, Ferguson said: "I write due to recent reporting that suggests Alphabet's admi...