Van driver Matthew Tvrdon has admitted at Cardiff Crown Court to running down and killing mother-of-three Karina Menzies in a hit-and-run frenzy in the Welsh capital last October.
A dozen others were injured in the incident.
More top news
The EU flag symbolises unity between European countries.
Shadow business secretary Rebecca Long-Bailey has called for "immediate" relief to prevent thousands of companies going out of business.
A spokesperson criticised the behaviour of a "small number" of fans at the game between Birmingham City and the Wolverhampton Wanderers.