He fell off a window ledge or something like that. It doesn't sound like the police killed him, at least, not directly.
Hong Kong student's death sparks impromptu protests and vigils
A Hong Kong student has died after falling during protests on Monday - sparking impromptu protests and vigils from pro-democracy activists.
Alex Chow fell from the ledge of a car park during a police operation to clear the area on Monday morning.
The exact circumstances of his fall are unclear, but reports say he was trying to get away from tear gas.
Read more at: https://www.bbc.com/news/world-asia-china-50343584
