You will need a Zigbee Hub for sure, but it doesn't need to be Philips Hue hub.
Folks have used ConBee II or Sonoff Zigbee USB dongle to replace Hue hub.
I have used Sonoff Zigbeen to replace Ikea hub, bot haven't got around to replacing Hue hub just yet. It's on my list :-)
Anecdotally, I live in Ireland and a number of locals have mobilised to gather food and medicine to send it to Ukraine. Then I came across this article and now think this is happening across the country: https://www.rte.ie/news/ireland/2022/0308/1285137-ireland-ai...
I wouldn’t be surprise if many other communities in Europe are doing the same. The problem might be getting the aid to the right place.
I have used Sonoff Zigbeen to replace Ikea hub, bot haven't got around to replacing Hue hub just yet. It's on my list :-)