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One said: "PGMOL an absolute laughing stock just 13 minutes into the new Premier League season as a blatant handball and red card ignored by VAR, despite the whole world watching Bournemouth's Senesi deliberately deny Ekitike and Liverpool a chance to score."
Another added: "That was a clear handball by Senesi," while a third questioned: "How did senesi not get booked for that handball tho?"
However, the incident was reviewed by VAR at the time, with the Premier League Match Centre X account clarifying the confusion for social media users through a post published moments after the controversy.
They said: "The referee's call of no red card to Senesi was checked and confirmed by VAR – with the action deemed not to be a clear handball offence nor denial of a goal scoring opportunity (DOGSO), due to the distance from goal."
Senesi escaped a sending off for his handball (Image: Getty)Bournemouth penalty shout missed
In the same match, the Cherries were refused an opportunity to level the score on the stroke of half-time with Liverpool 1-0 to the good.
Didn't get a replay or even a mention of it at half time.."
Former Premier League referee Keith Hackett also felt Bournemouth deserved a penalty.
This should have resulted in a penalty kick to Bournemouth."
Nothing was awarded to the visiting side, however, and Liverpool proceeded to triumph 4-2 - despite a determined Bournemouth comeback in the second half.
The Reds won despite a spirited fight from the Cherries (Image: Getty)Konsa red card upheld by VAR
During Aston Villa's stalemate with Newcastle, Ezri Konsa left his side a man down for the bulk of the second half following his foul that denied an "obvious goal scoring opportunity".
In the 66th minute, a pass was hit towards makeshift striker Anthony Gordon, who found himself clear through on goal.
But Konsa dragged the England star back just past the centre circle, resulting in a red card from referee Craig Pawson - a decision subsequently reviewed and upheld by VAR.
The Premier League Match Centre updated viewers on the decision, as they wrote: "The referee's call of red card to Konsa for the denial of an obvious goal scoring opportunity (DOGSO) was checked and confirmed by VAR."
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Replays showed the Frenchman's left boot striking his rival.
Despite Cunha's collapse in the box, United's penalty claims were dismissed by Simon Hooper who waved play on, before VAR determined that it didn't merit a spot-kick.
Fans were less than impressed with the penalty decision (Image: Getty)
The decision sparked a divide among fans and two former professionals – ex-footballer Jay Bothroyd and ex-Premier League referee Dermot Gallagher, who disagreed during Sky Sports' ref watch segment.
Gallagher felt the right call had been made, while Bothroyd argued that Saliba had "gone through the back" of Cunha, with the difference of opinions between the two suggesting the incident didn't constitute a "clear and obvious" error.
Neither the on-field referee nor VAR awarded the decision, and Arsenal managed to clinch all three points on the day at Old Trafford.
For more news relating to Arsenal, visit our sister site AFC Latest Live.