Officers attend a road traffic collision involving a disqualified driver who has been travelling at speed at night on a country lane and crashed into a tree. Five people are treated by emergency services, some for life-threatening injuries. Police are also alerted to a suspicious car driven by a male on a provisional licence who they believe is carrying a knife. He has warning markers for weapons and violence. After a long chase along country lanes, the suspect dangerously flees the wrong way down a dual carriageway