Two measles cases have been identified among people living at one of the city's migrant shelters, New York City health officials said. Health officials are going through their contact tracing process trying to figure out who has been exposed at the Hall Street shelter in Clinton Hill, which for now is limited to the first floor of the shelter where the two adult-positive residents stayed. Anyone who doesn't have documented vaccination will be tested for immunity. Click here to read more on abc7ny.com.