A former aide to Russian President Vladimir Putin, who was found dead in the US last year, died of blunt force trauma to the head, officials say.

Mikhail Lesin also had blunt force injuries to the neck, torso, arms and legs.

The 57-year-old was found at the city’s Dupont Circle hotel.

Lesin was former Russian press minister and a one-time head of the powerful Gazprom-Media Holding group.

After his death, his family members were quoted by Russian media as saying that he had a heart attack.