China has defended the crackdown on the 1989 Tiananmen Square protests in a rare public acknowledgement of events. Defence Minister Wei Fenghe told a regional forum that stopping the "turbulence" was the "correct" policy. In spring 1989, students and workers occupied Beijing's Tiananmen Square in a massive pro-democracy protest. Many were killed in a brutal clampdown by the communist authorities. Reporting on the events is heavily censored in China.