This morning’s sale follows the announcement by Noel and Liam Gallagher on Tuesday that they had put their acrimonious split behind them.

They confirmed Oasis’s long-awaited reunion by saying: “The great wait is over.”

Fans have been urging the brothers to regroup since they disbanded 15 years ago, a split prompted by a backstage brawl at the Rock en Seine festival in Paris in 2009.

It has not been announced who will be performing with Liam and Noel as part of Oasis.

Noel, 57, quit the group on August 28 2009, saying he “simply could not go on working with Liam a day longer”, and the brothers have made negative comments about each other for more than a decade.

It’s an understandably frustrating morning for many fans, including my colleague Guardian night editor Ian Ford.

Although perhaps Ian is one of the fortunate ones.

Oasis warn fans over resale sites

Fans urged to avoid resale sites

Amid reports of tickets appearing at hugely inflated prices on resale sites, the chief executive of the Society of Ticket Agents and Retailers, Jonathan Brown, told BBC Radio 4’s Today programme that fans need to “open their eyes and protect themselves”.

He added: “It’s a dreadful combination, I suppose, you’ve got that high level of emotion, a high level of excitement about Oasis reforming, and a limited supply of tickets – and that’s going to lead to problems, it’s going to lead to people trying to scam people.”

PA Media have more on the outage issues. It reports that Manchester-based promoter SJM Concerts’ website Gigs and Tours has been unable to load since around 8.10am on Saturday.

The site displays messages saying: “Please bear with us. At the moment there are a lot of people on the site looking for tickets, so we have put a queuing system in place, which is completely normal.

“This page will refresh automatically and we’ll get you where you want to be as soon as a space opens up. Thank you for your patience!”

Prices to watch a gig at London’s Wembley Stadium begin at £74.25, while the most expensive ticket is £506.25, which includes a pre-show party, exhibition and seated package.

The cheapest seats are at Cardiff’s Principality Stadium shows, which will set people back £73, and Edinburgh’s Murrayfield Stadium at £74, according to Manchester-based promoter SJM Concerts, which runs the website Gigs and Tours.

Standing tickets at Wembley will cost fans £151.25, and the same tickets in Cardiff and Edinburgh are slightly cheaper at £150 and £151.

In the band’s home city of Manchester, tickets start from £148.50, with only standing available alongside a number of hospitality and luxury packages.

Before the announcement for the UK shows, Irish promoter MCD said on its website that the price of both of the two Croke Park gigs in Dublin would start at €86.50 (£73) without booking fees.

Which? has responded to reports that Oasis presale tickets are being listed on some resale platforms thousands of pounds above face value.

Lisa Webb, Which? Consumer Law Expert, said:

Oasis fans are understandably eager to snap up tickets to the reunion tour, but we’d strongly advise against buying any of the resale tickets currently popping up online at inflated prices. Not only is there a chance that some of these listings could be scam attempts, but even legitimate tickets could be cancelled, rendering them invalid, if they are sold outside of the official resale platforms or at above face value.

Resale tickets should only be listed on the official resale platforms, Twickets or Ticketmaster Fan-to-Fan exchange, and at no more than the price that was paid (its face value plus booking fees) originally.

If you buy through the official seller you’ll be entitled to a refund if the show is cancelled but if you buy through a secondary ticket seller, you may not get your money back. We’d also recommend paying using your credit card if the tickets cost more than £100, or by PayPal, which also offers an extra layer of protection provided you choose ‘paying for an item or service’ rather than ‘sending to a friend’.

On tickets.seetickets.com/tour/oasis a message said: “Our website is very busy! We have lots of people looking for tickets and you are being held on this page until a space becomes available. This page will refresh automatically.”

Ticket-selling websites hit by technical issues

Good morning and welcome to our blog covering the release of Oasis gig tickets with fans across the UK and Ireland who missed out on pre-sale access attempting to secure their place at the band’s reunion concerts during this morning’s general sale from 9am.

Fingers will be poised but on Friday evening the band issued a warning after unofficial reselling websites listed tickets obtained from the early sale for thousands of pounds.

A post to the band’s X page said: “We have noticed people attempting to sell tickets on the secondary market since the start of the pre-sale.

“Please note, tickets can ONLY be resold, at face value, via Ticketmaster and Twickets.

“Tickets sold in breach of the terms and conditions will be cancelled by the promoters.”