A peaceful demonstration had been hijacked by anarchists intent on causing trouble.

一场和平示威已被一心想制造事端的无政府主义分子强行控制了。

《柯林斯英汉双解大词典》

The demonstration was an assertion of the right to peaceful protest.

这次示威游行是使用和平抗议权。

《牛津词典》

He was attacked during the riots. The rioting began last Saturday after a peaceful demonstration over the deadly police shooting of a twenty-nine-year-old man.

VOA: special.2011.08.13

Mr Madhav expects 1m people to turn up and to move on to Ayodhya for a peaceful demonstration.

ECONOMIST: A riot 11 years ago still roils Indian politics

Saturday's action was delayed by pro-hunting protesters who staged a peaceful demonstration in the village Llanfinangel Nant Bran.

BBC: Sebastien Loeb fights for control in the Welsh forests

Police said they would work with other agencies to "facilitate a peaceful demonstration and ensure minimum disruption is caused".

BBC: Margaret Aspinall