The US president waived US federal restrictions on foreign ships' transport of cargo to hurricane-ravaged Puerto Rico.

President Donald Trump is heading to Florida to survey the aftermath of Hurricane Irma.

Experts say the city of Houston has sunk by two centimetres due to the amount of rain that fell during Hurricane Harvey.

Oil prices rose yesterday as strong global refining margins and the reopening of US Gulf Coast refineries provided a more bullish outlook after sharp drops due to Hurricane Harvey.

Energy companies led US stocks to modest gains on Wednesday as the market recouped some of its hefty losses from the day before.

Authorities in Houston have warned residents affected by Hurricane Harvey more flooding is likely.

Two more people have been confirmed dead in Texas in the wake of Storm Harvey, bringing the number of known fatalities to 44, eight days after it made landfall as a hurricane.

Thick black smoke and towering orange flames shot up once again from a flooded Houston-area chemical plant where highly unstable compounds blew up after losing refrigeration.

The US Navy have rescued 14 people at an elementary school in Texas after floodwaters from Hurricane Harvey threatened to immerse their shelter.

Rescuers are continuing to search waterlogged neighbourhoods in Houston, Texas, as officials turn their attention to finding temporary housing for those in shelters in the wake of Hurricane Harvey.

Rescuers have begun a block-by-block search of tens of thousands of Houston homes looking for anyone - alive or dead - who might have been left behind in Harvey's floodwaters.

The White House says US President Donald Trump is pledging $1m in personal funds to Hurricane Harvey storm relief efforts.

Latest: Fires and two explosions have rocked a flooded chemical plant in Texas, sending up a plume that federal authorities described as "incredibly dangerous" and adding a potential new hazard to the aftermath of Hurricane Harvey.

The flood waters from Tropical Storm Harvey are beginning to drop across much of the Houston area, emergency officials said.

The National Hurricane Centre says Harvey is back on land after coming ashore early today just west of Cameron, Louisiana.

Hurricane Harvey has deluged America's fourth-largest city with devastating floods, with rising water forcing thousands on to rooftops and overwhelming rescuers receiving constant calls for help.

Rising floodwaters from the remnants of Hurricane Harvey sent thousands of people scrambling on to rooftops or higher ground in Houston, overwhelming rescuers who fielded countless desperate calls for help.

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.

Texas officials are evacuating thousands of inmates from three prisons in Brazoria County south of Houston as nearby Brazos River rises from Hurricane Harvey's heavy rain.

Hurricane Harvey hit his coastal community "right on the nose" and left "widespread devastation", a Texas mayor said.

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.