"He was sent to Georgia for training by ISI before his flight to India. Amritpal Singh is a part of the conspiracy hatched by Pakistan to revive militancy in Punjab," intelligence sources have said.
"Police are appealing for public assistance as they continue to investigate an affray at the Khalistan Referendum at Federation Square on 29 Jan. Police have released images of six men they believe may be able to assist with their enquiries," the Victoria Police said in a tweet.