The Rapid Action Battalion (RAB) has arrested two associates of Helena Jahangir. They are Hajera Khatun and Sanaullah Noori.
They were arrested from the Gabtali area of the capital on Tuesday morning.
ASP ANM Imran Khan, senior assistant director of RAB's legal and media wing, confirmed the matter to the media.
He said the details would be revealed at a press conference at the RAB headquarters in the capital's Kurmitola around 12 noon.
Helena Jahangir was recently arrested on charges of trying to discredit important state institutions and individuals by spreading lies, propaganda and misleading information using digital platforms.