According to the Chinese Communist Party around 200-300 civilians died, and several thousands were injured. According to most other agencies, the numbers are around 10 times higher, with 1000 to 3000 dead. Either way, it’s a very high number of dead.
Or is this not a massacre? By the way, two wrongs don’t make a right
Technically it's always the first in China until they get removed from the movie (startrek.website)