The phrase "a demonstration over" is not correct and does not convey a clear meaning in written English.
It may be intended to refer to a demonstration that is taking place regarding a specific topic or issue, but the phrasing is awkward and unclear.
Example: "The organizers held a demonstration over the new policy changes, but the message was lost in translation."
Alternatives: "a demonstration regarding" or "a demonstration about".
Last week, soldiers in Samawa, south of Baghdad, encountered burning cars and oil barrels during a demonstration over the shortage.
Security forces fired tear gas and beat protesters on Sunday to quell a demonstration over a land dispute, residents said.
He studied at the University of Rhodesia but was expelled after participating in a demonstration over the wages of black staff members.
The police were searching for suspects in the riot that caused millions of dollars of damage and injured 135 people in downtown Rome during a demonstration over the weekend.
Young people also blocked traffic on Sunday in the southern city of Rostov in a demonstration over another killing, chanting, "Rostov is a Russian town" and "One for all and all for one," a slogan heard all week in Moscow.
Navalny is serving a week-long administrative detention sentence handed out this week for disobeying police orders at a demonstration over the jailing of a group of activists opposed to Putin.
They were arrested and convicted in May after taking part in a peaceful demonstration over a land dispute land dispute that led to the forcible eviction of more than 3,500 families.
― What started as a peaceful demonstration over a toppled Confederate monument at the University of North Carolina, Chapel Hill campus Thursday evening ended with three people arrested and the crowd doused in pepper spray.
The bank, which was already braced for a row over bonuses, also faced a surprise demonstration over its taxes at a branch in Islington, north London, where protesters from UK Uncut turned the branch into a library – one of the public services facing the axe through spending cuts.
We were accused of participating in a demonstration with over 400 other people, yet just five of us were suspended.
Hundreds blocked traffic in Cleveland, Ohio, in a separate demonstration over the fatal shooting of a 12-year-old boy by a police officer.
