New Delhi : The four men including one journalist from Kerala, arrested days before from Mathura, may be quizzed by Enforcement Directorate.
ED says the questioning is part of its ongoing money laundering probe into the riots in northeast Delhi in February this year.
The Uttar Pradesh Police arrested the four men, who had been on their way to meet Hathras victim's family, on the night of October 5.
The four have been identified as Atiq-ur Rehman of Muzaffarnagar, Masood Ahmed of Bahraich, Alam of Rampur and Siddique, a journalist from Kerala's Malappuram, all of whom are clubbed by the police as belonging to Popular Front of India (PFI) and its student wing Campus Front of India.
The UP Police also seized their mobile phones, laptops and some literature.
The ED in its submission in Mathura court seeking permission for their questioning said, "Masood Ahmed has been a member of PFI and had received funds in his bank account. He was also in touch with PFI's General Secretary Mohammad Iliyas."
The ED also told the court that their role in the riots in northeast Delhi in February this year has been suspicious and therefore wanted to question them in side the Mathias jail wherre they have been lodged.
This report from IANS has been edited