Pro-democracy demonstrators stage a night time sit in in Hong Kong.
They want to see more choices in elections for the city's leader in 2017.
They want nominations to be open to everyone.
Police issue a warning to evacuate.
They surround demonstrators who hold fast.
Hong Kong's Chief Executive said his government would do its "utmost" to move towards universal suffrage. He stressed the need for stability after nearly 800,000 people voted for full democracy in an unofficial referendum last month.
(SOUNDBITE)(English) ENGLISH TEACHER, EDWARD FUNG, SAYING:
"Obviously we are here, all of us here, fight for democracy, fight for universal suffrage. We all here have the right to vote for whoever we like to rule Hong Kong, to have the betterment of Hong Kong, to make Hong Kong improved, you know?"
Police remove a protester.
Others stay on as part of a demonstration that could become the biggest challenge to Chinese Communist Party rule in m