The boy band's debut album Up All Night currently stands at No. 5 on the Billboard 200 whilst the US rock band of the same name sees their album, The Light, enter the Heatseekers album chart at No. 48.
The two parties are currently in the midst of a legal dispute over the use of the band name. The US group has been using it since 2009 while the UK boys have claimed the name since 2010.
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