It's Black Friday - one of the biggest shopping days of the year - with Police already sent to a supermarket in London because of a crowd surge.
Shoppers are queueing waiting for doors to open as stores prepare to offer huge discounts.
The trend started in the US, as bargain hunters hit shops the day after Thanksgiving, and now it's popular across Europe and includes Cyber Monday.
Irish people spent 39 million euro on cyber Monday last year.
Grace Duffy from the European Consumer Centre, has this advice for shoppers.
