Shock moment police dog launches at fleeing crook & tackles them to ground in high-speed chase caught on infrared camera

THIS is the shocking moment a police dog launches at a suspect before tackling him to the ground after a high-speed chase.

Thermal imaging from a police helicopter shows the silhouette of a suspected offender running along a field.

Greater Manchester PoliceThe suspect is initially seen fleeing from police[/caption] Greater Manchester PoliceA police dog then enters the frame[/caption] Greater Manchester PoliceThe dog quickly catches up and jumps at the suspect[/caption] ...