The third day of the Future Music Festival in Malaysia has been cancelled after six people died from suspected drug overdoses and 19 people were arrested for drug possession, including at least one Australian.

Pharrell Williams, Eric Prydz, Brodinski, Porter Robinson, Knife Party, Baauer and were due to perform on day three of the festival.

Deaths and arrests over drugs marred the Future Music Festival Asia 2014. Credit:Courtesy of Future Music

Kuala Lumpur Police have confirmed six people suffocated after taking drugs while attending the Future Music Festival Asia at Bukit Jalil Stadium at 2am on Saturday.

"The six victims who died were believed to have taken the drug methamphetamine before going to the concert," Kuala Lumpur police chief Datuk Mohmad Salleh said.