An attempted theft from a newly-refurbished gym was averted after the would-be thief was stopped in his tracks by a former Olympic weightlifter. CCTV footage shows the moment a man was chased from the grounds of the Europa Gym in Temple Hill, Dartford, which is currently undergoing a major makeover. Former Olympian and head coach Andrew Callard, who has been spearheading the revamp, managed to stop the burglar who had entered the container filled with tools just before 2pm on December 28. “We were working inside the building and the container had been left unlocked,” he said. “I went outside j…