CBC News is reporting:

A security breach at Thursday night's AC/DC concert in Moncton allowed several hundred fans to see the legendary Australian rock band for free.

It was almost an hour into AC/DC's set when thousands of fans were still outside the Magnetic Hill outdoor concert site in a huge line trying to buy tickets.

Cara Stafford, a Saint John resident, described the agonizing wait as she could hear the music reverberate from the other side of the security fence.

"Very sad, we decided on the last day that we wanted to come to the concert. However, we are very last in line, so we are doubtful we're going to get tickets," Stafford said.

After more than an hour's wait, she and her friends discussed another strategy of watching the concert through the fence.

However, others weren't just watching through the fence; they were trying to jump it. The high security fence snaked around the outdoor venue.

RCMP officers at the concert estimated several hundred people were trying to climb over the fence to get into the show without purchasing a ticket.

As police and concert organizers saw the fence jumping as a safety hazard, security guards eventually stepped away from the ticket gate and the few hundred people left in the queue got into the concert late, but for free.

When the concert ended, police said no one who was climbing the fence was seriously injured.

There is still no official estimate on how many people attended the outdoor concert. Organizers said as of Wednesday evening, 55,000 tickets had been sold and they were expecting more than 60,000 fans to show up.

Donald Tarlton, the concert's promoter, said AC/DC even had a chance to outdraw the Rolling Stones, who attracted 78,000 people to their 2005 show. That event was the first outdoor mega-concert at the Magnetic Hill venue.