Firefighters battled a massive warehouse fire in Mercedes.
Investigators told Action 4 News a storage warehouse located on First and Virginia Street caught fire around 1:15pm on Tuesday.
The flames quickly spread threatening a nearby daycare called Auntie Ann TMs Playhouse.
The owner of the day care told Action 4 News ten children were inside when they evacuated.
All have been picked up by their parents, but one.
Firefighters from Mercedes, Weslaco and La Feria were still on scene at 1:45pm trying to control the blaze.
The cause is unknown.
Traffic is being diverted in that area.