Special Report: 22 killed in blast at Ariana Grande concert in U.K.
The death toll has risen to 22 from an explosion outside an arena packed with music fans in Manchester, England, and 59 people are hospitalized. Many of the victims were children. Police say a suicide bomber was killed in the blast. Prime Minister Theresa May spoke out Tuesday against the "appalling, sickening cowardice" of the attacker.