The vest was first posted on Twitter by the nighttime economy minister for Greater Manchester, Sacha Lord, who lambasted the Deansgate-based store for selling the garment resembling Abedi's infamous terrorist weapon.
"This is for sale and displayed in the window of a clothes shop in the city centre," Mr Lord said. "I've seen it a few times and each time it's bothered me. I can only think they think a fake vest is fashionable. What sort of message does that send out."
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Others took to social media, with one user stating "who would design that and think it's okay" and another calling it "bewildering".
Bewildering.
But others pointed out that people were overreacting as it was a "fake tactical vest" and that people could buy a "genuine military kit online".
One employee from the store told the Daily Mail that the item was not offensive, stating that 'it's just fashion, people are wearing it.
"Rappers wear it in rap videos," he told the Mail. "It is just a fashion item. To be honest we have not had anyone come in and say anything."
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The suspect, Salman Abedi, detonated a suicide bomb at Ariana Grande's 'Dangerous Woman' concert at Manchester Arena on 22 May, 2017, killing 22 people including seven children. Grande condemned the violence and stated that she began to suffer from Post-traumatic stress disorder (PTSD) as a result of the attacks.
*Daesh, also known as ISIS, Islamic State, ISIL is a terrorist group banned in Russia