Death toll in Moscow concert hall attack rises to 140

People stand at a makeshift memorial in front of the Crocus City Hall on the western outskirts of Moscow (AP)

The death toll from the Moscow concert hall attack has increased to 140 after another victim died in hospital, Russian officials said.

That person was one of five who were taken to hospital in an “extremely grave condition”, and the doctors “did everything they could” to save them, Russia’s health minister Mikhail Murashko said.