NEW : The United States 's governor warns of the highest water levels in next few days . Of particular concern were areas along the Chao Phraya River , which winds through the capital and is expected to overwhelm embankments this weekend . Evacuations include more than 9.5 million inmates at a prison , some animals from a zoo . PM warns capital could be submerged by 4.9 feet ( as much as 1.5 meters ) Authorities : Floods have killed 373 people and affected 600 .
NEW : The United States 's governor warns of the highest water levels in next few days . Evacuations include more than 9.5 million inmates at a prison , some animals from a zoo . PM warns capital could be submerged by 4.9 feet ( as much as 1.5 meters ) Authorities : Floods have killed 373 people and affected 600 .