Demonstrators who want reform of the monarchy and the resignation of the prime minister are expected to return to the streets of Bangkok in the hours ahead.

More than 40 of them were injured on Tuesday after violent clashes with police as they tried to reach the parliament building.

This report from our correspondent in Bangkok Jonathan head on Nick Millard on camera in Thailand A military backed government is battling young protesters who want a proper democracy.

E They've been campaigning for months for a fairer political system, but also for a monarchy that respects the rules.

Today that battle got rougher on wetter Well, these protesters are now trying to pull away at this concrete barricades to make a way through on they are spraying water cannon.

It's laced with chemicals so you can really smell the tear gas in it.

These protesters want to get through the parliament because that's where the reforms they're demanding is supposed to be discussed.

They're worried that in Parliament dominated by the military backed party, their reforms, they're just gonna be swept aside.

That's why they're staying put on.

You can see how determined they are.

For a moment, they vanished in clouds of tear gas.

How didn't retreat far?

There were a few were overcome, right?

I never.

They've shattered a taboo against even talking about the monarchy.

But they're up against the old men of Thailand's parliament, and they've ruled out any discussion of the king thes at the heart of this conflict.

Thes days King watcher Alongkorn is often seen on royal walkabouts, raising his profile, but he spent most of this year at a luxury hotel in Germany and has been accused of accumulating excessive wealth and power.

Many times, though, still believe that their king is above criticism.

Yellow shirted loyalists came out to confront the protesters on.

To insist that Thailand must stay a zit is well, it's all over for today.

But the protesters are promising to come back again, as they have for the past 4 to 5 months in asking for a monarchy that's accountable in the military that stays out of politics.

They believe they're making reasonable demands, but they're up against the state, which doesn't even believe these things can be discussed.

The gap between both sides is yawning.

Are not getting any closer?