The restaurant and nightlife industries were also shut to customers last night. And with that, a city whose lifeblood was its thousands of bars and eateries — from steakhouses to neighborhood bars — was bereft of them.

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Under Mayor de Blasio’s order, restaurants are allowed to serve only takeout meals or deliveries, and yesterday the city announced that bars could sell cocktails for delivery.

Storefronts were shuttered, businesses were left reeling and workers were furloughed. The sudden flood of laid-off workers seeking unemployment benefits swamped New York State’s Labor Department, trying to replace some of their lost income.

Within hours, frustrated applicants were complaining on social media about not being able to apply online. Some said the state’s system was crashing throughout the day.