The Hamilton Fire Department has reported an overnight structure fire, leaving four people dead including two children.

Shortly after 11 p.m. on Thursday, firefighters received multiple calls about a fire at 14 Derby St. in the area of Upper Gage Ave. and Rymal Rd. in Ward six.

Upon arrival, the first fire crew were notified that people were trapped in the second floor of the townhouse complex.

Hamilton fire says due to the given conditions, the incident was upgraded to a third fire alarm and crews quickly initiated an aggressive search and rescue.

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Firefighters had to enter the home through both the front and back. They made it to the second floor where they rescued two adults and two children, after encountering heavy heat and smoke.

Hamilton fire says paramedics tried life saving measures on the scene but then transported the four to hospital where they died.

The Office of the Fire Marshal has been notified and will be responding to assist with the investigation.

Residents who were evacuated from the adjacent units have been allowed back into their homes.

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