Members of the Military Emergencies Unit use a lift as they carry out a general disinfection in Barcelona. AFP
The death toll in Spain surged over 5,600 on Saturday after a record 832 people died in 24 hours, and the number of infections soared over 72,000, the government said.
Spain has the world's second-highest coronavirus death toll after Italy with 5,690 fatalities. The number of cases have jumped to 72,248 as the country moves to significantly increase testing.
The total number of those infected rose to 72,248 from 64,059 on Friday.
Italy reported 969 new deaths, Spain 769 and France 299 as Europe reeled from a crisis that led the United States on Friday to finalise an unprecedented $2 trillion stimulus package.
In other grim milestones, AFP tallies showed more than 26,000 deaths worldwide, and a total of 300,000 cases now recorded in Europe, after the United States overtook China as the country with the most infections.
Italy showed a continuing downward trend in infection rates and Spain said its rate appeared to be slowing, but other countries were bracing for the virus's full impact.
Ireland announced it was imposing a lockdown, with Prime Minister Leo Varadkar imploring his citizens to "stay at home, in all circumstances".
The World Health Organization's regional director for Africa warned the continent faced a "dramatic evolution" of the pandemic, as South Africa also began life under lockdown and reported its first COVID-19 death.
The nationwide state of emergency, announced on March 14, bars people from all but essential outings as the country grapples with Europe's second-worst coronavirus outbreak.
The number of people who have tested positive rose by nearly 20 per cent to 39,673, the health ministry said, while the death toll represented an increase of 23.5 per cent over the figures from Monday.
The Mediterranean country has now seen its daily fatalities come down from a world record 793 on Saturday to 651 on Sunday and 601 on Monday.
Dr Anwar Bin Mohammed Gargash, Minister of State for Foreign Affairs, has affirmed the importance of continuing the global fight against Daesh and establishing sustainable partnerships to unite against challenges the world faces.
Brazil has reported more than 34,000 deaths from the virus so far, meaning it surpassed the amount in Italy and trails only the UK and US Experts consider the tally a significant undercount due to insufficient testing.
The city-state has already developed the first-of-its-kind smartphone app to identify and alert people who have interacted with novel coronavirus carriers, but the bluetooth technology has been beset with glitches and the app is not widely used.
Floyd's death last week after a fatal encounter with a police officer has led to nationwide protests. In widely circulated video footage, a white officer was seen kneeling on Floyd's neck as Floyd gasped for air and repeatedly groaned, "I can't breathe," before passing out.