51 A labourer at a construction camp on Phet Phraram Road Soi 9 boards an ambulance after three of his fellow workers tested positive for Covid-19. New restrictions on workers' movements are part of the government's toughened Covid-19 rules, which came following a surge in infections in 'dark-red zones', which include Bangkok. Wichan Charoenkiatpakul Prime Minister Prayut Chan-o-cha has insisted he is unfazed by critics of the government's handling of the worsening Covid-19 situation after some called on him to step down. Critics have launched a broadside against the prime minister over the latest round of restrictions which deal a blow to eateries and restaurants.