Subscribe | UPI Odd Newsletter Subscribe Nov. 2 (UPI) -- Sweden's postal service released security camera footage from the back of a truck where thieves attempted a daring high-speed heist. PostNord Sverige posted a video to YouTube showing the thieves jumping into the back of the truck from the hood of a car closely following the vehicle at about 50 mph. Advertisement The postal service said the video was recorded by security cameras placed in the backs of postal trucks after numerous thefts that baffled officials and authorities. Alexis Larsson, head of security for PostNord, said officials were able to watch the incident in real time and contacted police, who were able to arrest the "international criminal gang." Read More Thieves climb onto moving truck, steal bags of sugar Police: Men stole $590,000 worth of iPhones from moving truck