Spiders as big as a human palm spreading in parts of U.S.

• 3 hours ago
• News
• Duration 2:33

They have four-inch legs, bright yellow stripes and the ability to 'fly' several kilometres through the air. But while Joro spiders aren't as dangerous as they look, some experts are still concerned about the spread of this invasive species. CBC's Kris Reyes has more.