Fans faced ticket price increases up to £200 ($265) due to 'dynamic pricing' for Oasis's reunion tour.

Oasis stated they were unaware of dynamic pricing, a system that hikes ticket prices with increased demand.

The CMA will gather consumer evidence and engage with Ticketmaster on consumer protection compliance.

UK culture minister Lisa Nandy pledged to address inflated ticket prices and "rip-off resales."

The European Commission has also started an investigation into dynamic pricing practices.

Meanwhile, Oasis will hold additional shows and a ballot process for fans who missed out on tickets.