Isabel Diaz Ayuso (C), the President of the Madrid Region, and members of the police observe a moment of silence for COVID-19 victims at the Puerta del Sol square in Madrid, Spain, May 2, 2020. (Madrid Region Government/Handout via Xinhua)

Officials and health workers observe a moment of silence for COVID-19 victims at the Puerta del Sol square in Madrid, Spain, May 2, 2020. (Madrid Region Government/Handout via Xinhua)

Two health workers carry a flower wreath during a moment of silence observed for COVID-19 victims at the Puerta del Sol square in Madrid, Spain, May 2, 2020. (Madrid Region Government/Handout via Xinhua)

Isabel Diaz Ayuso (C), the President of the Madrid Region, and civil care workers observe a moment of silence for COVID-19 victims at the Puerta del Sol square in Madrid, Spain, May 2, 2020. (Madrid Region Government/Handout via Xinhua)

Officials and firefighters observe a moment of silence for COVID-19 victims at the Puerta del Sol square in Madrid, Spain on May 2, 2020. (Madrid Region Government/Handout via Xinhua)