Teenagers have been tampering with their own passports in a desperate bid to get served alcohol in clubs and bars.
Northumbria Police have said they have now seized a number of passports and driving licences as they crackdown on the trend in Tyne and Wear.
Officers have warned that anyone found with forged documents faces arrest and prosecution.
Bar, club and shop owners say they have been shown documents in recent months that have had dates of birth obviously changed. All altered documents and passports seized by police will now be cut up and sent to the Passport Office or relevant agencies to be destroyed.