What is the row about the EU using frozen Russian assets to support Ukraine?

Complex plan would involve EU lending €90bn to Ukraine, which some fear could destabilise Eurozone. Putin says move is akin to ‘theft’

What is the row about the EU using frozen Russian assets to support Ukraine?

TL;DR

  • EU plans to lend Ukraine €90 billion.
  • Concerns exist about potential destabilization of the Eurozone.
  • Putin describes the move as 'theft'.