Hurricane Harvey hit Houston with Massive Flood

Americas' fourth largest city Houston has been submerged by 'unprecedented' flooding as hundreds who seek refuge on rooftops and higher grounds are plucked by rescuers after Hurricane Harvey.

cross section of submerged city

Lives and properties have been lost but rescue is still ongoing in the region.

Volunteers and officers from the neighborhood security patrol help to rescue residents- Houston 27/Aug.

Residents evacuating their homes