The Premier League has been forced into making an expected change to VAR technology after the system was affected due to the AWS outage wreaking chaos across the globe.
At 11:35 BST (6:35am ET), Amazon said the underlying issue has been 'fully mitigated', adding that 'most operations are succeeding normally now'.
But the company's Web Services cloud computing service - which powers much of the infrastructure behind many websites - continues to challenge its users into the evening, with West Ham's match against Brentford disrupted.
Rather than having access to VAR systems as normal, one recent innovation is not working, with the Premier League forced to share a statement ahead of kick-off.
'Due to the impact of today’s global AWS outage, this evening’s match will begin without the use of Semi-Automated Offside Technology (SAOT),' the statement read.
'If required, the VAR will use virtual offside lines, as in previous seasons, to determine an offside decision. If SAOT becomes available during the game, it will be implemented when appropriate.'
The Premier League were forced to abandon semi-automated offside technology due to the earlier AWS outage
The more traditional usage of offside lines was quickly forced into effect moments before the half-time whistle when Brentford thought they had doubled their lead.
Officials were instead made to manually review Igor Thiago's strike, only to chalk it off for offside.
More to follow.