The City of Cape Town has reported an increase in the amount of drugs confiscated, due partly to its highly-trained ‘K9’ crime-fighting dog unit.The city recently added four dogs to the 12-member K9 unit, which was formed in 2009 ahead of the Fifa World Cup. The dogs are trained to detect narcotics and explosives, and can also search for missing people.“It really is something to watch our K9s in action,” JP Smith, the city’s executive head of safety and security, said on Sunday.“They have added so much value to our fight against crime, and the drug trade in particular, over…