Yelena Milashina, a well-known journalist for the Novaya Gazeta newspaper, was travelling to the Chechen capital Grozny from the local airport with Alexander Nemov, a lawyer, when they were attacked.
There was no immediate comment from Ramzan Kadyrov, a close ally of Putin who rules Chechnya, a mainly Muslim southern region.
But Soltayev, the Chechen rights official, was cited by the RIA news agency as calling the attack "a provocation" against the Chechen authorities.
DEATH THREATSSome Russian lawmakers and officials in Moscow condemned the attack and demanded an investigation.
Kadyrov denies rights abuses, saying such allegations are fabricated by ill-wishers trying to discredit Chechnya and its authorities.
Persons:
Yelena Milashina, Alexander Nemov, Milashina, Mansur Soltayev, Nemov, Vladimir Putin, Ramzan Kadyrov, Putin, Mokhmad, Kadyrov, Zarema, Musayeva, Dmitry Muratov, Muratov, Andrew Osborn, Alexandra Hudson
Organizations:
Novaya Gazeta, Kremlin, RIA, Alexandra Hudson Our, Thomson
Locations:
Russian, Chechnya, Grozny, Moscow, Russia, Soviet, Milashina, Chechen