Is the war in Ukraine entering a critical stage?

Fresh fighting is intensifying in eastern Ukraine and there have been more attacks inside Russian territory as speculation grows about Kyiv's counteroffensive. Is the war in Ukraine entering a critical stage? Or is it just another phase, with no end in sight? Join host Mohammed Jamjoom. Guests:  Pavel Felgenhauer - Defence and military analyst. Despina Afentouli - Executive director at the Institute of International Relations. Patrick Bury - Defence and security analyst at the University of Bath.