Transport Minister Datuk Seri Dr Wee Ka Siong was at Kuala Lumpur International Airport (KLIA) and KLIA 2 on Thursday to see off the travellers to Langkawi under the tourism bubble.br br During his visit, Dr Wee said one passenger tested positive for Covid-19 before boarding and the necessary isolation works were conducted, adding that the passenger's family also did not board the flight as they were listed as close contacts.