Teen son and chosen successor of Putin's ruthless Chechen warlord pal 'is fighting for his life after crash' - just days after it was revealed 'his father was in a coma with family at his bedside'

Adam Kadyrov, 18, is said to have been airlifted from Grozny, the capital of the Chechnya region, after getting into a massive pile-up of multiple vehicles in the city