When you read the Wikipedia article about China’s 1985 World Cup Qualifying loss to Hong Kong, you only get a small idea of just how intense this match was.
Contemporary English newspaper coverage helps fill in the blanks a little bit:
Note, however, that the foreign accounts of this game — including as close as Singapore — understate just how violent and intense the match was.
If you watch the highlights above, you’ll see what I mean. Both China and Hong Kong were fouling like crazy from the start, leading to an atmosphere that was simply bizarre.