More than one hundred thousand people shut down the heart of the city on Friday, in a global movement to save the planet.

Tens of thousands of Victorian school students walked out of the classroom and onto the streets, demanding government action on climate change. 

Reporter: NICKOLAS ZAKHARIA

Producer: CHESTER NGAN

Filming by: NICKOLAS ZAKHARIA, CHESTER NGAN, KARUNA BALASUBRAMANIAN, SANYUKTA NATH and MARGARITE CLAREY