MARIUPOL, Ukraine (AP) — The Russians were hunting us down. They had a list of names, including ours, and they were closing in.

We were the only international journalists left in the Ukrainian city of Mariupol, and we had been documenting its siege by Russian troops for more than two weeks. We were reporting inside the hospital when gunmen began stalking the corridors. Surgeons gave us white scrubs to wear as camouflage.

Suddenly at dawn, a dozen soldiers burst in: "Where are the journalists, for fuck's sake?"

I looked at their armbands, blue for Ukraine, and tried to calculate the odds that t...