Ukraine's Defence Minister Mykhailo Fedorov says that strikes on Russian military targets in temporarily occupied Crimea and south of Ukraine have led to serious logistical problems for Russian forces and the "accumulation of a large number of crises".

The recent surge in Ukrainian attacks into Russian territory has caused fuel shortages to spread from Russian-annexed Crimea to nearby parts of southern...

"Crimea has essentially turned into a military base for the Russians, allowing them to continue occupying the south of our country and transfer forces to the east. Therefore, from…