A Lada car was driven near a police station in the Dagestani village of Khuchni before dawn today morning and was detonated as it came to a sudden halt, regional police said in a statement.
"A suicide bomber was in the car," the statement said.
An employee of the federal migration service and a policeman died while another six people received injuries. One of the wounded was in a "grave state."
The majority-Muslim region of Dagestan experiences almost daily shootings and bombings that officials blame on local criminals and Islamists with links to Chechnya, where the Kremlin has fought two wars over the past 20 years.