New Delhi: Delhi Police have registered an FIR against unknown persons in connection with the alleged suicide of a Rajasthan-based farmer during a rally of Aam Aadmi Party this afternoon and probe has been handed over to the Crime Branch.

Meanwhile, police have said that no written permission was given to the rally till the end and they had appealed to the organisers to change the venue from Jantar Mantar to a spacious place --Ramlila ground.