President Obama is asking Congress for $3.7 billion to respond to the immigration crisis at the Texas border — nearly twice as much as early reports expected him to request.

Of those funds, more than half, $1.8 billion, would go to the Department of Health and Human Services to house and care for the 52,000 unaccompanied children apprehended along the border after crossing into the border and the tens of thousands more expected in the coming months.