Volunteers have used a dump truck to rescue about 20 people from a flooded Houston-area neighborhood.

The rescue effort happened Monday after some residents of Sugar Land got a constable's attention to say they needed help to escape the waist-deep water. The officer managed to arrange a private truck.

Several residents then used small rafts and air mattresses to float out to the vehicle. Children were handed from one person to another to be loaded into the back of the truck.

The truck then headed to dry land at a minor league baseball park that's been opened up as a staging area for people to evacuate.

Volunteers on personal watercraft and in kayaks also helped evacuate people from the subdivision threatened by the fast-swelling Brazos River.

Harvey made landfall in Texas late Friday as a Category 4 hurricane and has lingered just off the coast, dropping heavy rain as a tropical storm.

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