Crews were on the scene of a large house fire in Burlington City early Friday morning, 6ABC reports.
The fire broke out around 5:30 a.m. at a home on the 300 block of St. Mary St., and it later spread to three others.
Authorities say three people have been taken to Our Lady of Lourdes Medical Center in Willingboro. One person sustained burns, while the other two were being treated for smoke inhalation.
Emergency crews on the scene worked to place the fire under control.
The cause of the blaze was not immediately known.
Nearby Capt. James Lawrence Elementary School was closed for the day as a result of the fire.