The herders say they were attacked and their livestock seized after a five-year grazing ban expired.
Report calls on the international community to put pressure on Beijing to release all detainees and pursue those responsible.
Protesters remain in occupation at Central and Mong Kok sites, as officials extend an olive branch to student leaders.
Student groups say those who remain risk being held in contempt of court, and it is up to individuals to decide what to do.
Occupy Central supporters force police to retreat amid clashes as they rebuild cleared barricades.
Some traveled to the former British colony to join the Occupy Central movement
C.Y. Leung says there may yet be room for compromise on the nominations process.
The herders say they cannot compete with monopolies in the region.
A member of Hong Kong's third-largest Civic Party says he is the victim in the video.
They use pepper spray to clear the defiant demonstrators from a main road next to the city's government headquarters.
An ageing workforce is owed huge sums in unpaid pension contributions, overseas groups say.
The ruling Chinese Communist Party blacklists authors and detains activists sympathetic to the Occupy Central movement.
Thousands gather in Admiralty after clashes and police action to clear protest sites.
They ask the Chinese President to rescind a decision to restrict election reforms in Hong Kong.
Many who occupy a major highway say they are angry at the government for backtracking on the promise of dialogue.
Democracy in the former rebel village 'takes a step backwards.'
President Barack Obama is asked by senators to publicly back calls for full democracy in the Chinese territory.