UN's security department and the bit of the Ingush interior ministry responsible for guarding their compound.

ECONOMIST: The UN's troubling departure from Ingushetia

In June 2004, several dozen people, including the acting Ingush interior minister, were killed in attacks reported to have involved hundreds of gunmen.

BBC: Ingushetia profile

Born in Kazakhstan, where his Ingush family had been deported after World War II, Gutseriev became the president of state oil company Slavneft, but was dismissed in 2002 before privatization.

FORBES: Mikhail Gutseriev

But Elisaveta Omarkhajieva, head of the Ingush Red Crescent, says that more and more Ingush families are coming to her office for help, explaining that they having used up their food and money looking after their uninvited guests.

ECONOMIST: Can Russia win in Chechnya?