According to the police, G Pradeep (19) from Lakshmi Garden in Kondayampalayam near Annur in the district engaged in an argument with a passerby under the influence of alcohol. He also allegedly assaulted three construction workers, Marimuthu (34), Sampath (21) and Kumaravelu (24) from Dharmapuri district, who were crossing the area with a knife. In retaliation, they too assaulted him.