Thousands of protesters staged
another anti-government rally in the Thai capital, Bangkok, on Sunday to
demand political reforms.
Demonstrators want a revised constitution and are also calling for reform of the monarchy - a sensitive subject in Thailand. Under Thai law, anyone criticising the royal family faces long prison sentences.
There have been almost daily student-led demonstrations in recent weeks.
Several protest leaders have been arrested.
But organisers said they hoped Sunday's rally would show broader support for change beyond the student groups.
"We are here from all different groups, all different ages," said one protester, a 29-year-old student who only gave their name as Kukkik.
Observers said Sunday's protest at Bangkok's Democracy Monument was one of the biggest anti-government demonstrations since Prime Minister Prayuth Chan-ocha took power in a 2014 coup.
They waved banners and chanted: "Down with dictatorship, long live democracy."
The protesters are demanding that Mr Prayuth - a former general who won disputed elections last year - stand down.
The BBC's Jonathan Head in Bangkok says recent inclusion of the monarchy in the protesters' demands has electrified the debate.
About 600 police officers were monitoring the protest.
Nearby, dozens of supporters of the monarchy also staged a rally.
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