People in Singapore are making a beeline to hair salons for quick trims after the city state announced it would extend its partial coronavirus lockdown until June 1. The announcement on April 21, 2020, was part of “circuit breaker” measures introduced after Singapore reported a sharp jump in Covid-19 cases in recent weeks, fuelled by infections in the migrant worker community. More workplaces will be forced to close to further minimise the risk of community transmission, including all…