The band are currently No.1 in the album chart in the US - the first British band to have their debut album land at number one.

Speaking on Ryan Seacrest's radio show, the band announced a 20 city tour of North America, which begins in Fairfax in May.

The tour finishes in Florida on July 1.

The full tour is as follows:

May 24 Fairfax, VA - Patriot Centre
May 25 East Rutherford, NJ - Izod Centre
May 26 New York, NY - Beacon Theatre
May 28 Philadelphia, PA - Tower Theatre
May 29 Toronto, Ontario - Molson Canadian Amphitheatre
June 1 Detroit, MI - Fox Theatre
June 2 Chicago, IL - Allstate Arena
June 8 San Diego, CA - Viejas Arena
June 9 Las Vegas, NV - Planet Hollywood
June 10 Phoenix, AZ - Comerica Theatre
June 13 San Jose, CA - Events Centre
June 14 Oakland, CA - Paramount Theatre
June 16 Los Angeles, CA - Gibson Amphitheatre
June 17 Anaheim, CA - The Theatre At Honda Centre
June 23 Dallas, TX - Gexa Energy Pavilion
June 24 Houston, TX - Cynthia Woods Mitchell Pavilion
June 26 Atlanta, GA - The Arena At Gwinett Centre
June 27 Charlotte, NC - Time Warner Cable Arena
June 29 Tampa, FL - 1-800-ASK-GARY Amphitheatre
June 30 Orlando, FL - Amway Centre
July 1 Ft. Lauderdale, FL - Bank Atlantic Centre