At least five people have been reported dead in Houston and from Aransas County as of Sunday night 

The Category 4 hurricane has been downgraded to a tropical storm but the fresh concern is flooding 

In Houston, residents are climbing to their attics to escape rising flood waters in the floors below 

Emergency services completed more than 1,000 rescues across the state overnight on Saturday 

Galveston County estimates that up to 1,200 officials were rescued from their region on Sunday 

Dallas announced it aims to open a 'mega-shelter' for 5,000 evacuees by Tuesday morning

One woman's body was seen floating down the street and entire coastal communities have been wiped out

The National Weather Service predicts another 50 inches of rain will fall and tornado warnings are in place

FEMA, the Federal Emergency Management Agency, said it would take several years to recover from Harvey 

Donald Trump celebrated the response from emergency services who have so far rescued thousands 

He vowed to visit the state once it was safe and said the 'good news is there is talent on the ground'  

Local authorities say the catastrophe is only now unfolding and others warn the agony has 'just begun'