Payday firms say they make careful affordability checks. These are supposed to ensure the companies don't lend more than a borrowers can repay.
But today they admitted to a worrying blind spot. It's possible for someone to take out a series of short term loans all around the same time, without the payday firms realising the individual is becoming over-stretched.
The spokesman for Mr lender, Adam Freeman, admitted it could be 60 days before they get the information. Wonga's Henry Raine agreed that better data sharing is needed to plug the information gap.
More top news
Harry Potter fans have been left sorely disappointed after the slightly misleading hashtag #NewHarryPotterBooks began trending on Twitter.
A couple who were shot in the Tunisia beach attack are raising funds to offer "something back" to the local hospital that treated them.
Two distraught dog owners have been reunited with their beloved pet pooch - seven years after she was stolen from their home.