One of the Russian strikes hit a distribution point for humanitarian aid.
"The last straw" could be explosions in the Crimea.
Russia also intends to strengthen control over the Black Sea, which may affect Ukrainian interests.
Even in the case of deliveries of anti-ship missiles to Ukraine, Russia can maintain an advantage there.
13 November 2021 13: 16
Britain gives money for the construction of naval bases and the creation of missile boats.
Ukraine will build a powerful navy?