Francis has filed a complaint with police stating that illegal sand miners in the area made an attempt on her life and that of Nag during the raid late last night.
Francis said she, along with Nag, had raided an illegal sand extraction place at Halnad and took six persons into custody.
Later around 11.30 PM they raided another illegal sand extraction site at Kandlur when some people attacked the DC's gunman, village accountant Kantharaju and twodrivers.
Kantharaju waslater rescued by police.
Besides the six persons held from Halnad, eight others had also been arrested from Kandlur.
The Deputy Commissionerand Assistant Commissioner had kept the raid a closely guardedsecret and police was not informed before the raid,official sources said.