A man died while his wife and two sons suffered critical injuries in a road mishap near Jagannathpur on the Digapahandi-Aska road in Ganjam district onMonday.
The deceased was identified as Santosh Pradhan of Erendra village in the district.
Sources said the four were going to their village by a motorcycle in the morning when a speeding pickup van hit the bike from the rear near Jagannathpur.
While Santosh died on the spot, the three others were rushed to the community health centre (CHC) at Adapada and later shifted to the MKCG Hospital after their condition deteriorated.
The Patapur police detained the van and began a probe into the incident.