A Saskatoon man couldn’t prove the group he was volunteering with was a non-profit and he was turned around at the U.S. border.

The proposed regulation would expand immigration officers' ability to deny visas or legal permanent residency to aspiring immigrants if they have received a range of taxpayer-funded benefits, such as Medicaid.

The Trump administration challenges visa applications more often than at nearly any point in the Obama era, according to data reviewed by Reuters.