Two people have been killed and another 28 injured in a shooting in the US city of Baltimore, Maryland. Police said that three people remained in a critical condition. The incident happened just after midnight in the Brooklyn Homes area, where people had gathered for an event called Brooklyn Day. 

More than a dozen of the victims were aged under 18, the city's acting commissioner reported. Officials have said that more than one assailant opened fire at the celebration. The motive behind the shooting is still unclear and police have appealed for people to come forward with any information about the incident. There are no details about suspects.