20 people killed, several others injured at Ariana Grande's concert in Manchester

About 20 people have been confirmed dead and several others injured at Ariana Grande's concert in Manchester, United Kingdom on Monday evening. Greater Manchester Police at least 20 people are dead. They say there are a "number of confirmed fatalities and others injured." It's unclear if the injuries are from the stampede or from a blast. Police have not confirmed an explosion. A video posted