Daghestan, with the capital in Makhachkala, is one of Russia's North Caucasian autonomies, and borders on Chechnya.
The blast came in Arukhov's house entrance as the minister was going home from his office, late this afternoon, said our informant. The house was in Aliev Street, close to the Sovietsky police precinct, in the city's heart.
Police officers working on the blast site confirmed the information of the tragedy for Novosti.
Zaghir Arukhov's predecessor to the portfolio also met a violent death. Magomedsalikh Gusayev died in a booby-trapped car, 2003.