Spain confirmed more than 1,500 new cases of coronavirus between Friday and Saturday, increasing its total to 5,753 cases, the second highest in Europe after Italy.
The country was expected to raise the alarm on Saturday to mobilize resources to fight the virus, which has killed 136 people in Spain so far.
Prime Minister Pedro Sanchez should speak at a cabinet meeting at 1:00 p.m. GMT about the alarm condition and new measures to limit the movement of people.
The government said on Friday that it would take a series of exceptional measures to "mobilize all government resources to better protect the health of all its citizens."
The number of cases in Spain has increased tenfold since Sunday, and bars, restaurants and all sports and cultural institutions have been closed.
The Madrid region, which has been hit hardest with almost 3,000 cases, has ordered the closure of all non-essential companies.
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