Does this give Putin a right to strike back? The Ukrainian Army has sent Britain's Challenger 2 tanks into Russian territory. The consequences might be felt around the world.
British tanks ‘rolling through Russia’
Provocation: Ukraine’s 82nd Air Assault Brigade, part of the Kursk invasion, has been using British Challenger 2 tanks (above) since last year. The UK has supplied 14 of these tanks. Glossary
Oblast - Oblasts are Russian administrative areas or territories.
Nato - The North Atlantic Treaty Organisation was founded in 1949 to unite Western democracies in Europe and North America against the perceived growing threat of the USSR. It now has 31 members.
Mother Russia - An historic and maternal personification of Russia.
International law - Non-refoulement is a fundamental principle of human rights law that forbids "pushback," returning refugees to warzones. Countries sometimes attempt to circumvent this by using private ships to return migrants.
UN Charter - The foundational treaty of the United Nations.