New Zealand's Stuff.co.nz reports: Tickets to METALLICA's two Auckland shows sold out in just 20 minutes [Thursday] morning [May 13], leaving some angry fans empty-handed.

The tickets went on sale at 9 a.m. and promoters for the two shows, on October 13 and 14 at Vector Arena, said they were sold out by 9:20 a.m.

Stuff.co.nz was swamped with feedback by irate fans who tried to buy them over the internet, but couldn't get through.

"I was on the website from 8.50am and nothing. Both pre-sales failed and sure enough no 25th birthday for me. It was going to be the best start to my honeymoon too," said a poster called Chris.

"Once again, the Ticketmaster website is unstable and not up to modern day needs," said another poster called Mark.

Read more from Stuff.co.nz.