New Delhi: With the arrest of four persons with suspected ISIS links from Manglour in Uttarakhand, Delhi Police on Wednesday claimed to have unearthed a terror plot to target the ongoing Ardh Kumbh Mela at Haridwar, particularly trains heading there and some strategic locations in the national capital.

The suspects, identified as Akhlaq ur-Rehman, Mohammed Osama, Mohammed Azim Shah and Mehroz were arrested from Manglour town in Uttarakhand's Haridwar district yesterday and produced in a court here today which sent them to 15 days' police custody, Special Commissioner of Police (Special Cell) Arvind Deep said.