They were calling for China to release 12 Hong Kong citizens arrested at sea by mainland authorities.

他們呼籲中國釋放12名在海上被大陸當局逮捕的香港公民。

The rally is part of a global campaign to support the pro democracy movement in the financial hub Hong Kong's.

這次集會是支持香港金融中心的民主運動的全球運動的一部分。

Today is Taiwan's tomorrow, said one protester, Shannon.

一位抗議者說，今天是臺灣的明天，香農。

Taiwan will become Hong Kong if we don't step forward.

如果我們不出面，臺灣就會變成香港。

The 12 were arrested in August for alleged illegal entry into mainland China after setting off from Hong Kong in a boat for Taiwan.

這12人因涉嫌非法入境中國大陸，在8月乘船從香港出發前往臺灣後被捕。

Hong Kong's Security Bureau has said all 12 are suspected of committing crimes including manufacturing or possessing explosives, arson and rioting in Hong Kong.

香港保安局表示，這12人都涉嫌在香港犯案，包括製造或藏有爆炸物、縱火和暴動。

Authorities added that 10 of them were on bail and not allowed to leave Hong Kong.

當局還說，其中10人被保釋，不準離開香港。

Beijing considers Taiwan its territory and has never announced the use of force to bring the island under its control.

北京認為臺灣是自己的領土，從未宣佈使用武力將臺灣島置於其控制之下。