John Oliver took a swipe at Donald Trump and U.S. Attorney General Jeff Sessions during Sunday’s “Last Week Tonight”.

Oliver voiced his anger about the zero-tolerance immigration policy, which has seen almost 2,000 children, many under 10 years old, be separated from their parents in the last six weeks at the U.S.-Mexico border.

The British host aired a CNN clip of Trump insisting “… [the immigration laws] were given to us and forced upon us by the Democrats. The Democrats gave us the laws,” before Oliver said that this was not necessarily the case.

“Democrats did not give them these laws because, and I cannot stress this enough, there is no law that suddenly requires separating parents from their children. This was the result of a deliberate policy choice by Jeff Sessions.”

Oliver’s segment also saw him blast Sessions for recently using the Bible to defend the decision to incarcerate those crossing the border illegally.

“So, again, it’s [the family separation policy] not a law. And, also, the Bible isn’t a government document. From a policy perspective, he might as well be citing Green Eggs and Ham, saying, ‘We must keep children in a box. We must keep them with a fox.'”

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Oliver then said that even White House press secretary Sarah Huckabee Sanders defended Sessions’ use of Romans 13 to explain his case.

However, he insisted, after showing a clip of Sanders: “A: It’s not a f***ing law! And B: Lots of things are said in the Bible, but that doesn’t mean you should do them! At one point, the Bible demands that the head of government get 100 foreskins but I don’t think that Sanders is looking for Congress to gather together and start slicing d***s.”

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“You probably shouldn’t use the Bible to justify separating children from parents,” Oliver advised, “but if you do, maybe make sure that you’re not already breaking so many of its rules that God has to write an extra commandment that says ‘I was f***ing serious.'”

Oliver certainly isn’t the only star to have voiced his opinions on the family separation policy, with Oprah Winfrey and Sara Bareilles among those also having their say on social media.

See some of the replies below.