A peer-reviewed result published in the journal The Lancet finds Russia's Sputnik V vaccine to be 91.6% effective against symptomatic COVID-19 infection. It is the third major vaccine candidate to exceed 90% efficacy, along with the Pfizer and Moderna vaccines.
First MinisterNicola Sturgeon announces a phased return to school for Scotland's youngest children, with nurseries and all primary pupils from P1 to P3 planned to be back in the classroom beginning on February 22.
Two FBI agents are killed and three others are wounded during a shootout in Sunrise, Florida, while serving an arrest warrant. The gunman is later found dead. This is the deadliest incident involving FBI agents since 1986.
Five children and one adult are killed, and another person wounded, during a mass shooting at a home in Muskogee, Oklahoma. A 25-year-old male suspect who had been living with the victims is taken into custody.