Hong Kong airport’s security contractor has expanded its canine patrol unit to the newly relaunched Terminal 2, deploying 20 dogs and their handlers to cover the expanded facility.Jacob Cheung Tat-keung, executive director of the Aviation Security Company (Avseco), said on Friday that operations at Terminal 2 had been generally smooth, although passenger numbers had increased as 15 airlines had moved in over the past few weeks.Cheung said the deployment of the dogs would depend on traffic at...