Hong Kong homeowners should be vigilant against handing over their voting rights to strangers, a property management professional and a legislator have warned, saying proxy harvesting remains a rampant threat to building safety amid a major corruption crackdown. The warning was made on Monday amid heightened scrutiny of building management after last year’s deadly fire at Tai Po’s Wang Fuk Court that claimed at least 161 lives. Last week, 21 people were arrested in an operation by the city’s...