He gave no other details of the meeting, which took place while the two were attending the World Economic Forum in the Swiss resort of Davos, but Ukraine hopes Germany will provide it with tanks to resist Russia's invasion.

"We discussed further support and assistance. In particular, the transfer of weapons. Positive decisions have been made. Good news coming soon," Klitschko wrote on the Telegram messaging app.

(Reporting by Max Hunder, Editing by Timothy Heritage)