A crash on Interstate 78 in Northampton County has claimed the life of a second child.

Brielle Robinson died at Lehigh Valley Hospital near Allentown on Friday.

The two-year-old girl from Newark, New Jersey, was seriously injured in the crash, which also killed her five-year-old brother, Rayvon, in Lower Saucon Township early Wednesday morning.

The driver of the car, 54-year-old Nadine Walton, remains hospitalized in critical condition.

Police are still trying to determine what caused the crash. They have said that alcohol may have played a role.