Three lanes are blocked on US 17-92 on Tuesday afternoon after a container fell off a truck, spilling 20 gallons of chemicals on to the road, according to Seminole County Fire Rescue.

The spill occurred in the 3400 block of US 17-92 in Casselberry just after 2 p.m., blocking three lanes as crews work to cover up spill.

It's not clear what the chemical is.

No injuries were reported.

Check back for more information.