New song released amid ongoing dispute with former producer, Diplo
The producer had initially claimed that MIA had apologised to him
Outspoken artist gives explosive interview on the 10th anniversary of debut album 'Arular'
Artist marks first new material since 2013 by saying: "summer is coming"
American football organisation had claimed singer raised her middle-finger as a publicity stunt
New song taken from The Partystarters' 'Summer Mixtape'
Technical hitches leave singer furious but she returns for encore last night (July 19) in London's Victoria Park
Singer's fellow performers wore T-shirts reading 'Stop Tamil Deportation'
Wikileaks founder previously introduced MIA at a live show in New York last year
The promo features 3D printers, dance routines and smoke filled bubbles