Coldplay [ tickets ] has added a few new shows to the North American leg of the world tour in support of the band's latest chart-topping studio album.

The British alt-rockers, who are currently enjoying a brief break from the road after finishing off an initial block of summer dates last week, will kick off the next stretch of American shows Oct. 20 in Ottawa, Ontario. New dates since last check include fresh additions in Boston (10/29); Washington, DC (10/31); Philadelphia (11/1) and Atlanta (11/5). Details are below.

The band will also mount a European run in September; those dates can be found at Coldplay's website.

"Viva La Vida or Death and All His Friends," Coldplay's fourth studio album, debuted at No. 1 after its June release, moving more than 720,000 units in the US alone, 288,000 of which were digital downloads, according to Billboard, which claimed it was the best ever sales week for a digital album.

The album, which was produced by Brian Eno and Markus Dravs, scored equally well in the band's home country, selling more than 300,000 copies in its first week out in the UK.

The new record follows Coldplay's 2005 Grammy-nominated set, "X&Y," which entered The Billboard 200 at No. 1 and has since sold more than 10 million copies on the strength of hits including "Talk," "Fix You" and "Speed of Sound."