A mom's clever prank had her kids rushing downstairs expecting a bear--but what they found instead left them in tears of joy ...

In Vancouver, Canada, a mother's prank turns into the sweetest reunion as her kids discover their dad, back from months away in the UK, waiting for them.

When Katie Pickering's husband finally returned home to Vancouver from the UK after being gone for months, she knew how to best surprise their kids with his homecoming: a clever prank. Watch below ...