West Midland MEP Nikki Sinclaire announced she would be referring Coventry City Council to the EU's anti-fraud department during a speech at the European Parliament in Strasbourg.
She claims there are "discrepancies" in the way the council used Regional Development Fund cash, compared to what the European Commission believed it would be used for.
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Traffic is affected between J6 A38(M) Aston Expressway and J7 A34 (Great Barr).
James Watson who was arrested over the unsolved 1994 murder of schoolboy Rikki Neave claims to be in Portugal having skipped bail.
People have been wandering into the grounds trying to catch the cartoon monsters.