By Marita Moloney
Ukraine has accused Russia of planning a wide-ranging ground offensive for early in the new year, despite recent Russian military setbacks.
President Volodymyr Zelensky and senior officials have warned that Kyiv and its allies must guard against complacency.
The offensive could come in the eastern Donbas region, in the south, or even towards Kyiv, senior generals say. Read more on bbc.com