Russia and Ukraine are talking about a peace deal while their soldiers kill each other after the Feb 24 Russian invasion but the question of territory could sink any chance of an agreement to end the war.

Turkey, which is trying to mediate, has said the two sides are nearing agreement on critical issues. Britain has warned that President Vladimir Putin could be using peace talks as a smokescreen to regroup Russian forces.

Putin says the "special military operation" in Ukraine is necessary...