Fiery tractor-trailer crash on I-4 in Polk City sends two people to hospital

Smoke rises from tractor-trailer following crash on I-4 near Polk Parkway.

A traffic crash that led to a semi-truck catching fire snarled the morning commute in Polk County. Two people were hospitalized.

One westbound lane of Interstate 4 near Polk Parkway remains closed at this time. The crash occurred around 3:30 a.m.

According to the Polk County Sheriff's Office, two vehicles were involved and two people were taken to a hospital. One patient has serious injuries.

The view from Florida’s traffic cameras during the rush hour showed traffic was at a standstill. The collision involved a semi-truck, which caught fire.

Officials said it also led to a diesel fuel spill.

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The cause of the crash remains under investigation.

This story is developing. Check back for updates.