Some researchers say they're concerned about possible political interference in science after Ontario's premier said he would be "hunting down" scientists who use dogs and cats in medical studies.

On Tuesday, Premier Doug Ford said it was unacceptable for beagles to be used in cardiac research that had been approved by London's Lawson Research Institute and St. Joseph's Health Care London, and promised to introduce legislation to ban testing on certain animals.

"I have now directed our team to start hunting down anyone else doing research on dogs or cats," Ford told a news conference in Windsor. "If you're doing this with dogs or cats, you gotta stop before I catch you. ... We're going to legislate this ... You aren't gonna be going after animals like that."

File photo shows a beagle,

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