Imagine, you're enjoying a nice run through the park, when all of a sudden you spot a flying ghost chasing after you...

That was the reality for some unlucky victims of comedian Tom Mabe's latest prank! These innocent people were going about their day at a park, when they spotted a grim reaper like figure flying towards them. Their reactions are hysterical!

Watch the hilarious footage for yourself in the video below.

What's the best prank you've ever pulled?