Spain's coronavirus death toll overtook that of China on Wednesday, rising to 3,434 after 738 people died over the past 24 hours, the government said.
The spiralling number of deaths came as Spain entered the 11th day of an unprecedented lockdown to try and rein in the COVID-19 epidemic that has now infected more than 47,500 people, the health ministry said.
Spain's armed forces on Tuesday had asked NATO for humanitarian assistance to fight the virus outbreak as the national death toll kept on increasing.
With the pandemic spreading across the world, Spain has been one of the worst-hit countries, logging the second highest number of deaths with the latest toll standing at 3,434 after another 738 people died over the past 24 hours.
Despite an unprecedented lockdown imposed on March 14, both deaths and infections have continued to mount, with the Spanish army called in to join efforts to curb its spread.
Health authorities said it would become clear whether the lockdown was having the desired effect.
"This is a very hard week because we're in the first stages of overcoming the virus, a phase in which we are approaching the peak of the epidemic," Health Minister Salvador Illa told a televised news conference.
Like many other countries, Spain has been struggling with a lack of medical supplies for testing, treatment and the protection of frontline workers.
In a statement, NATO said Spain's military had asked for "international assistance", seeking medical supplies to help curb the spread of the virus both in the military and in the civilian population.
The request specified 450,000 respirators, 500,000 rapid testing kits, 500 ventilators and 1.5 million surgical masks.
With the numbers still spiralling, the government of Prime Minister Pedro Sanchez on Tuesday sought parliamentary approval to extend the state of emergency for an extra two weeks, until April 11 -- the day before Easter -- in a bid to slow the spread of the virus.
"We are aware of just how hard it is to prolong this situation, but it is absolutely imperative that we keep fighting the virus in order to win this battle," government spokeswoman Maria Jesus Montero told the news conference.
Spain, she said, was in "the decisive phase in responding to the crisis, a crisis which was testing Spanish society in the most unimaginable way".
The Madrid region has suffered the brunt of the epidemic with 12,352 infections -- just under a third of the total -- and 1,535 deaths, or 57 percent of the national figure.
Speaking to TVE public television, the Madrid region's top health official, Enrique Ruiz Escudero, said the crisis was "unprecedented in the history of Spain's national health service", suggesting it was likely that the lockdown would extend beyond Easter.
"I think we are going to have to extend (the lockdown) until after Holy Week, that these (restrictive) measures will have to continue beyond that," he said of the period running up to Easter which this year falls on April 12.
With the city's funeral services overwhelmed, Madrid officials have commandeered the Palacio de Hielo ice skating rink to serve as a temporary morgue.
"We don't have the logistical capacity to carry out all the burials and cremations at the rate at which people are dying," Madrid's mayor Jose Luis Martinez-Almeida told TVE public television.
The Spanish capital has also transformed part of a giant exhibition centre into a field hospital with 1,500 beds which could be expanded take in up to 5,500 patients.
(With inputs from AFP)
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