The charges range from assault to destruction of state property.
Nine people are summoned by police more than two years after the Occupy Central democracy campaign ends.
Feng Chongyi has also researched sensitive areas of Communist Party history, including late ousted premiers Hu Yaobang and Zhao Ziyang.
Lam's win came as no surprise, as widespread popular support for her rival John Tsang had no outlet at the ballot box.
The ruling throws the validity of the party into question in the lead up to local elections.
Local police fire on residents for blocking the road leading to the Chinese-operated project.
Myanmar says it won’t work with a fact-finding mission that will look into allegations of violence against Rohingya Muslims.
John Tsang is the most popular candidate in opinion polls, but the public won't get a vote in Sunday's election.
Police block one congregation from marking the death of their founder and seize the church of another.