In Pics: Tropical Storm Harvey devastates Houston

Tropical Storm Harvey has turned the streets of Texas into raging rivers.

Devastated Houston

People are rescued from a hotel by boat after Hurricane Harvey caused heavy flooding in Houston, Texas on August 27, 2017. Massive flooding unleashed by deadly monster storm Harvey left Houston, the fourth-largest city in the United States, increasingly isolated as its airports and highways shut down and residents fled homes waist-deep in water. (AFP)

Devastated Houston

Rescue crews search for people in distress after Hurricane Harvey caused heavy flooding in Houston, Texas on August 27, 2017. (AFP)

Devastated Houston

Cars are trapped in floodwater near the I-10 freeway leading into Houston after Hurricane Harvey caused heavy flooding in the city, August 27, 2017. (AFP)

Devastated Houston

A vehicle lies submerged on the closed I-10 highway after Hurricane Harvey caused heavy flooding in Houston, Texas on August 27, 2017. (AFP)

Devastated Houston

The closed I-10 highway after Hurricane Harvey caused heavy flooding in Houston, Texas on August 27, 2017. (AFP)

Devastated Houston

A Houston police officer blocks a flooded street as emergency services look for people stranded in flooded downtown Houston August 27, 2017. (AFP)

Devastated Houston

Riley Gardell and Jacob Song walk through a flooded parking lot on the campus of Rice University after it was inundated with water from Hurricane Harvey on August 27, 2017 in Houston, Texas. (AFP)

Devastated Houston

Residents navigate a flooded street that has been inundated with water from Hurricane Harvey on August 27, 2017 in Houston, Texas. (AFP)

Devastated Houston

Mario Qua holds Wilson Qua as they evacuate their flooded home after the area was inundated with flooding from Hurricane Harvey on August 27, 2017 in Houston, Texas. (AFP)

Devastated Houston

People walk down a flooded street as they evacuate their homes after the area was inundated with flooding from Hurricane Harvey on August 27, 2017 in Houston, Texas. (AFP)

Devastated Houston

A Jetski is used to help people evacuate homes after the area was inundated with flooding from Hurricane Harvey on August 27, 2017 in Houston, Texas. (AFP)