A hero police dog successfully caught an alleged prison smuggler by sniffing out a tennis ball stuffed with illegal drugs.
Harry the German shepherd used his outstanding search skills to locate the yellow ball after a man was spotted throwing items over the prison wall.
Officers found bags of suspected drugs after cutting open the 'Australian Open' tennis ball.
Police enrolled talented PD Harry to recover the item on the grounds of HMP Highpoint, a category C prison near Stradishall, Suffolk.
The male suspect fled the scene but was later found hiding nearby and arrested by officers.