'World is watching' Hong Kong protests, Biden warns China

Top Democratic US presidential contender Joe Biden expressed support Friday for protesters engaged in Hong Kong's deepest political unrest in two decades, warning China that "the world is watching."
"And the world is watching," Biden added. "All of us must stand in support of democratic principles and freedom."
The veteran Democrat weighed in with his comments two days after Trump offered a cautious response to what he said were "massive" demonstrations, saying he hoped protesters could "work it out with China."