Falling oil prices: Is history repeating itself?

The price of oil on global markets has collapsed almost 60% since June 2014, punching a big hole in the pockets of the big producers and creating thousands of job losses.

The falling price of a barrel of oil has made headline news around the world as demand fails to match supply. At Davos this year, BP's Bob Dudley said that the current crisis is as bad as that of 1986. Is he right? Mickey Clark has been finding out.