ABC's China Correspondent Bill Birtles reports on the latest from Hong Kong as police move in on protesters who have barricaded themselves at a university campus in the centre of the city, hurling petrol bombs and debris at officers.

Read more here:

For more from ABC News, click here:

If you're in Australia, you can watch more ABC News content on iview:

Go deeper on our ABC News In-depth channel:

Fitness Sale! Up to 50% Off Men''s Tech Shirts, Shorts and More at Shop Now!

More videos