BUDAPEST (Reuters) - The prime ministers of the Visegrad Four countries -- Hungary, Poland, the Czech Republic and Slovakia -- will meet in London on Tuesday to discuss the war in Ukraine, Hungarian Prime Minister Viktor Orban said on Monday in a Facebook video.

       He also reiterated that the government of Hungary has published a decree which makes it clear that no weapons shipments can go to Ukraine from Hungarian territory.

       (Reporting by Krisztina Than and Anita Komuves; editing by Jason Neely)