One-fearsome hurricane Harvey has spun deeper into Texas, unloading extraordinary amounts of rain after crashing into vulnerable homes and businesses along the coastline in a blow that killed at least two people and injured up to 14.

Hurricane Harvey rolled over the Texas Gulf Coast on Saturday, leaving one person dead and smashing homes and businesses.

Hurricane Harvey, the fiercest cyclone to hit the US in more than a decade, has slammed into Texas, lashing a wide swathe of the Gulf Coast with strong winds and torrential rain.