In separate incidents, two persons were set on fire by unidentified persons, city police said.
Narasingh, a coconut vendor, got into argument with an unidentified man late last night. He was doused with petrol and set afire near Monda Market, police officer Siva Maruthi said.
He suffered 25 per cent burns.
Unidentified persons poured petrol on a middle-aged auto-rickshaw driver named Anand in Mahankali area after midnight yesterday and set him on afire. He was being treated.
Police are conducting further probe.
