The group hit the official US Billboard Hot 100 Chart's Top 5 this week with UK No.1 hit single Glad You Came. This feat officially makes the band the most successful UK boy band in the US, surpassing Take That who reached number 7 in 1995.

The achievement follows the news that the band had gone to No.1 in The US iTunes Pop Chart and No.1 in the Canadian iTunes Chart.

Group member Jay McGuiness commented: "We're proud that Glad ...