Authorities in the Australian state of New South Wales announced a four-week extension to its capital Sydney’s ongoing Covid-19 lockdown and warned of tougher policing after the already protracted lockdown measures failed to make a dent in the number of new infections fueled by the more transmissible delta variant. Stay Connected Forbes on Facebook: http://fb.com/forbes Forbes Video on Twitter: http://www.twitter.com/forbes Forbes Video on Instagram: http://instagram.com/forbes More From Forbes: http://forbes.com