Former Andhra Pradesh minister Bhuma Akhila Priya was on Wednesday arrested in connection with the kidnapping of a former badminton player and his two brothers from here over a land dispute, police said.
National Disaster Response Force teams and Krishna district authorities have launched a massive search and rescue operation to trace the missing people.
Party leaders and workers who were on their way to Naidu's residence were stopped by police and taken into preventive custody.
One of the dropped ministers, Bojjala Gopala Krishna Reddy, resigned from his assembly membership.