Benny Tai, Dr Chan Kin-man, and Reverend Chu Yiu-ming deny three joint counts relating to public nuisance during the 2014 sit-ins.
In the mock debate, which focused on child abuse and imitated the style of the city's Legislative Council, Heep Yunn School were named best performers.
About 60 secondary school pupils were left in limbo until it was confirmed that they could continue at same site under Tsung Tsin Middle School.
Home-grown aircraft AG600 could also be used to transport troops and supplies in disputed waterway, say military observers.
Four Hong Kong swimming records were also broken, three of them by students, at the international event.
Shine Skills Centre set to make way for civil service college under scheme announced by city leader Carrie Lam last month.
The German, 17, went over barriers into photographer stand at Lisboa corner.
With most HK universities, including HKUST and CUHK, relaxing minimum requirements here what the director of the Student Guidance Centre at Hok Yau Club advises.
Families are receiving just HK$3,000 a month on average and many cannot adequately feed their children or afford enough winter clothes, study finds.
Biggest trial concerning 2014 civil disobedience movement is expected to last for more than two weeks