"Momentous" Hearthstone announcement coming later today - watch here

Blizzard has a Hearthstone-related announcement planned for later this afternoon.

Or evening. Depending on your timezone.

The "momentous announcement" will be made live via a Twitch stream during a San Francisco event.

Blizzard said a "few, very special Hearthstone matches and shop-talk with developers" are also taking place at the event, which is being held at the Folsom Street Foundry.

The evening will be hosted by Rachel ‘Seltzer’ Quirico, and will also feature well-known Hearthstone community members Frodan and Kripparrian, along with Hearthstone game director Eric Dodds.

Find out what this special announcement is for yourself by watching the stream below. It kicks off at 2.30pm PT/5.30 ET/10.30pm UK.