An ASI of the Kaptipada police station in Mayubhanj district sustained critical injuries after allegedly being attacked by two stone smugglers and their family members at Dahisahi village in the district on Monday.
The injured ASI, identified as Subhendu Behera, was admitted to the District Headquarters Hospital here.
Sources said the ASI had gone to the village to arrest one Basant Behera and his brother Hemant on the charge of attacking a Revenue Inspector (RI).
But the two siblings and their kin attacked the cop. Later, police arrested Basant, his wife Lucky, Hemant and his wife Jayanti in this connection.
Basant and Hemant were allegedly involved in smuggling of stones in the area, for which the RI had seized their vehicle, police sources said.