Noises resembling bangs were heard at approximately 1320 BST (1220 UTC); the male suspect was placed under arrest at about 1345 BST (1245 UTC), just over three hours after the incident began.
爆発音に似た音がBST13時20分（UTC12時20分）頃聞こえ、その男性容疑者はBST13時45分（UTC12時45分）頃、事件発生から3時間を過ぎた頃に逮捕された。