Anti-China protesters staged multiple demonstrations across Hong Kong on October 1, 2019, which was a public holiday marking China's National Day.

It was one of the most violent days yet, with an 18-year-old protester getting shot in the chest by police, and officers getting acid thrown at them.

We followed a group of protesters for five hours in the twin districts of Wong Tai Sin and Diamond Hill, traveling with them from a hidden overpass to watching them snuff out tear gas canisters from the police.

Scroll down to see photos from the day.

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October 1, 2019 marked one of the most violent days of the Hong Kong protests against mainland Chinese rule, which has raged into their 17th week.

Multiple demonstrations took place simultaneously across various districts around Hong Kong to coincide with China's National Day, a public holiday.

They soon turned dark. A student protester was shot in the chest and police had acid thrown on them.

We followed a group of protesters for five hours in the twin districts of Wong Tai Sin and Diamond Hill, traveling with them from a hidden overpass to watching them snuff out tear gas canisters from the police.

Here is what we saw.