From battling a storm in the Solomon Islands to consulting a witch doctor in eSwatini, Ben Wu has trekked some of the world’s less-trodden paths as he embarks on a quest to visit all of Taiwan’s dwindling diplomatic allies.

KIEV - A wave of cyberattacks hit Russia and Ukraine before spreading to western Europe and North America on Tuesday, in the second global outbreak of so-called ransomware in less than two months.