There are still many questions regarding the man who drove his car into a crowd in Liverpool. 

Fans of Liverpool Football Club had flooded the city's streets to celebrate its Premier League title win. 

Nearly 80 people were injured, and a 53-year-old local was arrested for attempted murder. 

UK Correspondent Rod Liddle told Mike Hosking one theory is that it was an accident. 

He said the driver may have simply followed the ambulance and upon finding themselves surrounded by screaming people, didn’t know what to do. 

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