Q&A: What is the state of play in Ukraine crisis?

A woman fleeing Ukraine, holds a baby as they arrive at the border crossing in Medyka, Poland (Visar Kyreziu/AP)

Russian forces have taken over the strategic port city of Kherson and shelled Europe’s largest nuclear power plant in another city, sparking a fire there that was extinguished.

It comes as Russian forces continue to press ahead with their invasion and campaign to “demilitarise” Ukraine.