Turkey orders four-day curfew in major cities
"We are planning to implement confinement between April 23-26 in 31 cities," Erdogan said Monday in a televised address to the nation.
Turkey has so far applied a 48-hour lockdown in 31 cities over the last two weekends but the country of 83 million has stopped short of declaring a long-term nationwide lockdown.
April 23 is already a public holiday in Turkey as it marks the 100th anniversary of the foundation of the Turkish parliament.
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Turkey on Monday announced 123 new coronavirus deaths, pushing the official death toll to 2,140. The number of cases has reached nearly 91,000.
Turkey has already shut schools, banned mass gatherings and ordered confinement for people aged over 65 or under 20.
Erdogan sounded upbeat, saying Turks had largely followed the rules and "we averted the pandemic from reaching a catastrophic level."
However, there have been violations - especially in several Istanbul neighbourhoods - where locals were filmed ignoring social distancing in public spaces, including open bazaars.
"Our goal is to implement the measures in the most rigorous way and reduce them to a normal level at the end of the Eid al-Fitr," the Turkish leader said, referring to the Muslim feast marking the end of the fasting month of Ramadan.