'He has been remanded in custody, and work is now underway to return him to the UK.'
The crisis is now 'catastrophic,' with the Kremlin scrambling to hide the consequences, one report warned.
The circumstances surrounding his death are currently unclear, with the tragedy leaving loved ones 'completely devastated'.
A European leader has warned that Ukraine needs to restart peace talks or face a massive escalation from Russia.
The fire happened at his mother's garage.
