A police sniffer dog which can detect the merest traces of illegal drugs is to make two appearances a month in Leicester city centre in 2017.In contrast, officers conducted five such operations in 2016.The campaign, which is called Operation Fall, has seen officers and police dog Ross, a seven-year-old Labrador, patrol areas of the city centre with a high concentration of bars and clubs.Officers believe cocaine in particular and some of the recently banned 'new psychoactive substances' combine...
