Unknown chemical smell reported near Bank Street Road and Route 262

A caller in the area of Bank Street Road and Route 262 reports an unknown, unusual odor in the area.

There is also a truck parked along the road -- unknown if it's occupied.

Law enforcement first on the scene to secure the area.

Byron Fire Department is being dispatched.

Hazmat caution is advised.

The deputy on scene says there isn't much of a chemical smell in the area. The truck has Texas plates.

UPDATE 8:40 p.m.: The truck appears disabled. There's nothing suspicious in it, no containers. A source has told a deputy that there was a crop-duster in the area earlier today. South Byron fire is standing down. Byron units continuing nonemergency.