 Complete the following phrase:  In June 2017, during the preparation of the Birmingham bid for the 2022 Commonwealth Games, the Birmingham bid committee proposed to renovate Alexander Stadium and use it for hosting the athletics and ceremonies of the Games. But in August 2017, former UK Athletics UKA Chief Ed Warner proposed the London Stadium in London to host the athletic events while Birmingham and West Midlands to host the rest of the sporting events of the Games. The London Stadium hosted the athletics and the opening and closing ceremonies of the 2012 Summer Olympics and Paralympics as well as the 2017 World Athletic Championships and 