Police believe Zanyah Lucio was kidnapped and is in grave danger.
RELATED: Missing Houston 4-year-old girl removed last year by CPS: Officials
The search continues into night 2 for 4-year-old Maleah Davis
She's believed to be with 20-year-old Gabriella Lucio.
Zanyah was last seen wearing a pink tank top, pink PJ pants with rainbows and hearts, but no shoes.
If you see either of them, call 911.