Turkish President Recep Tayyip Erdogan has announced a four-day lockdown from May 16 in Istanbul and other major cities as part of measures to stop the spread of the novel coronavirus.

“There will again be a lockdown in place on May 16,17,18 and 19,” Erdogan said in an address to the nation following a weekly cabinet meeting.

Turkey has so far recorded 3,841 coronavirus deaths and nearly 140,000 confirmed infections.