Police said that two people had been killed in the attack, and that more than one shooter had been involved. Police later said around half of the 28 people injured were under the age of 18.
Ednews informs via foreign media that police were deployed to the scene of a mass shooting in Baltimore, in the northeastern US state of Maryland, on Sunday.
Officials said that at least two people were killed in the attack and more than two dozen were wounded.
One 18-year-old woman was found dead at the scene, and another 20-year-old man was pronounced dead at a hospital, according to a police statement.