The Manchester Arena Attack occurred on May 22, 2017, during a concert by the singer Ariana Grande. A suicide bomber detonated an explosive device in the arena's foyer as concertgoers were leaving, resulting in a tragic loss of life and numerous injuries. The attack claimed the lives of 22 people and injured over 800 others, making it one of the deadliest terrorist incidents in the United Kingdom in recent years. The incident prompted widespread condemnation and led to increased security measures at public events across the country.