BEIJING-- The Beijing Municipal Public Security Bureau is offering rewards up to 500,000 yuan (US$73,100) for information on major security threats during the Olympic Games, as the host city beefs up security in the final preparations for the Games.

The rewards were aimed to "mobilize the enthusiasm in the masses to maintain public security, as well as to control and eliminate hidden dangers to the Olympic Games", according to a notice issued on Thursday.

Beijing residents who report information on major threats from July 10 and October 31 would be given 10,000 yuan to 500,000 yuan, the notice said.