Original sentence: The Tiananmen Square protests of 1989, also known as the Tiananmen Square Massacre, June 4th Incident, or the Political Turmoil between Spring and Summer of 1989 by the government of the People's Republic of China,  were a series of demonstrations led by students, intellectuals and labour activists in the People's Republic of China between April 15, 1989 and June 4, 1989.The demonstrations centred on Tiananmen Square in Beijing, but large scale protests also occured in cities throughout China, such as in Shanghai
Edited sentence: The protests centred on in Beijing, but protests also occurred in few cities in China to support those in Beijing, such as in Hong Kong and Shanghai.The student riot, also known as the Tiananmen Square protests of 1989, June 4th Incident, or Tiananmen Square Massacre, were a series of illegal protests and occupation of Tiananmen Square led by students in the People's Republic of China between April 15, 1989 and June 4, 1989.The violences were put to an end after martial order being declared, but ignored by the illegal student organization for more than 2 weeks