Four top officials have been removed from their posts and seven others also disciplined by the Shanghai municipal government over the New Year's Eve stampede that killed 36 people and injured 49 others.

Huangpu district's Communist Party secretary, government chief, police chief and deputy police chief were removed and seven other officials from that district and the Shanghai Municipal Bureau were demoted or disciplined.

On Wednesday, the Shanghai government announced the results of an investigation into the tragedy.