The protests which caused the Bullring to lock its doors with people still inside appear to have ended.
100 people were protesting outside the shopping centre, the motive is not yet known.
More top news
The exhibition celebrates the contribution of the 11 million people living with disabilities in the UK.
Crowds are expected to gather this evening as an opera performance plays to the masses on a grandstand in the city centre.
The game was invented in the Birmingham between 1943 and 1945.