Major Japanese news networks that have YouTube channels?

Hi all,

I'm trying to get more exposure to spoken Japanese and am looking for news broadcasts available on YouTube. This is something I found very helpful while learning German previously, and I still watch news bulletins from ZDF Nachrichten on YouTube to keep up my ability. However, I'm not terribly familiar with Japan's news media landscape and so am struggling to find good content. Can anyone recommend YouTube channels belonging to mainstream Japanese newspapers or TV networks?

Thanks!