PUTRAJAYA, July 8 — Malaysia recorded 17.5 million international visitor arrivals between January and May this year, an increase of 3.4 per cent compared with the same period last year, driven by strong demand from key source markets despite global geopolitical challenges.Tourism Malaysia director-general Mohd Amirul Rizal Abdul Rahim said the growth was supported by visitors from Asean, China, Japan, Australia, Taiwan and Hong Kong, as well as …