New Delhi, Nov. 8 -- US President Donald Trump on Saturday said that zero illegal aliens were released in the US in the past six months amid the administration's crackdown on illegal immigrants.

Trump's remark comes amid the administration is exploring buying warehouses to retrofit them as detention facilities for immigrants before they are deported.

According to Department of Homeland Security's internal data, which was obtained by CBS News, the number of detainees in US Immigration and Customs Enforcement custody increased to 66,000 this week.

"Under President Trump, the number of illegal immigrants crossing the southern border are at historic lows after his rapid action to close the border on Day One, with illegal crossings plummeti...