Major questions about how a man was able to drive his car into a massive crowd in Liverpool yesterday, injuring 50. 

Eleven people remain in hospital, all in a stable condition and recovering. 

A 53-year-old British man has been arrested for attempted murder. 

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

Correspondent Gavin Grey told Ryan Bridge the driver defied police traffic management by following an ambulance into the area. 

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