SACRAMENTO (CBS13) — Two people have been hospitalized after a fire in an upstairs apartment in Sacramento.

According to a tweet from the Sacramento Fire Department, fire crews were called out to a structure fire on the 6000 block of Land Park Dr. shortly before 4 a.m.

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Upon arrival, they found that there was a heavy fire on the backside of the building and two people laying on the ground outside who appeared to have jumped from the balcony to escape the fire.

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Crews have knocked down the fire and the victims were transported to a hospital with life-threatening injuries.

The cause of the fire is under investigation.

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